Islam constructs its foundation of belief and action on the principle of total submission to God alone. Its beliefs, forms of worship and rules of life are uniformly an expression of this submission and are a practical interpretation of the declaration that there is no deity except God. The details of life are derived from the practice of the Messenger of God - peace be on him-and are a practical consequence of the declaration that Muhammad is the Messenger of God.

Islam builds its entire structure in such a way that these two parts of the declaration determine its system and its characteristics. When Islam builds its structure in this manner, giving it a separate and unique position among all other systems known to man, then Islam actually becomes harmonious with the universal law, which is operative not only in human existence but throughout the whole universe as well.

According to the Islamic concept, the whole universe has been created by God. The universe came into existence when God willed it, and then He ordained certain natural laws which it follows and according to which all its various parts operate harmoniously:

"When We wish to bring something into existence, We say to it, 'Be', and there it is." (16:40)

"And He created everything, and measured it in due proportion." (25:2)

Behind this universe there is a Will which administers it, a Power which moves it, a Law which regulates it.

This Power keeps a balance between the various parts of the universe and controls their motions; thus they neither collide with each other nor is there any disturbance in their system, nor do their regular motions come to a sudden stop, nor do they become disorganized. This will continue as long as the Divine will wishes it to continue. The whole universe is obedient to God's Will, His Power and His Authority; it is not possible for it to disobey the Divine Will and its ordained law for a single moment. Due to this obedience and submission, the universe continues to go on in a harmonious fashion, and no destruction or dispersion or disturbance can enter into it unless God wills it.

"Indeed, your Sustainer is God, Who created the heavens and the earth in six periods and then established Himself upon the throne of sovereignty. He causes the night to cover up the day and the day to follow the night. The sun and the moon and the stars are controlled by His command, The creation and the command are for Him alone. Glorious is God, the Sustainer of the worlds." (7:54)

Man is a part of the universe; the laws which govern human nature are no different from the laws governing the universe. God is the Creator of the universe as well as of man. Man's body is made of earthly material, yet God has bestowed upon him certain characteristics which make him more than the earth from which he is made; God provides him according to a measure. In his bodily functions man involuntarily follows the same laws of nature as other creatures. His creation is according to the will of God rather than of his father and mother. The father and mother are able to come together; yet they are not able to transform a sperm into a human being. Man is born according to the method of development and the method of birth which God has prescribed for him; he breathes God's air in the quantity and fashion prescribed by God; he has feelings and understanding, he experiences pain, becomes hungry and thirsty, eats and drinks - in short, he has to live according to the laws of God and he has no choice in the matter. In this respect there is no difference between him and other inanimate or animate objects of the universe. All unconditionally submit to the Will of God and to the laws of His creation.

He Who has created the universe and man, and Who made man obedient to the laws which also govern the universe, has also prescribed a Shari'ah for his voluntary actions. If man follows this law, then his life is in harmony with his own nature. From this point of view, this Shari'ah is also a part of that universal law which governs the entire universe, including the physical and biological aspects of man.

Each word of God, whether it is an injunction or a prohibition, a promise or an admonition, a rule or guidance, is a part of the universal law and is as accurate and true as any of the laws known as the "laws of nature" -the Divinely- ordained laws for the universe-which we find to be operative every moment according to what God has prescribed for them from the dawn of creation.

Thus the Shari'ah which God has given to man to organize his life is also a universal law, as it is related to the general law of the universe and is harmonious with it. This obedience to the Shari'ah becomes a necessity for human beings so that their lives may become harmonious and in tune with the rest of the universe; not only this, but the only way in which harmony can be brought about between the physical laws which are operative in the biological life of a man and the moral laws which govern his voluntary actions is solely through obedience to the Shari'ah. Only in this way does man's personality, internal and external, become integrated.

Man cannot understand all the laws of the universe, nor can he comprehend the unity of this system; he cannot even understand the laws which govern his own person, from which he cannot deviate by a hair's breadth. Thus he is incapable of making laws for a system of life which can be in complete harmony with the universe or which can even harmonize his physical needs with his external behavior. This capability belongs solely to the Creator of the universe and of men, Who not only controls the universe but also human affairs, and Who implements a uniform law according to His will.

This obedience to the Shari'ah of God is necessary for the sake of this harmony, even more necessary than the establishment of the Islamic belief, as no individual or group of individuals can be truly Muslim until they wholly submit to God alone in the manner taught by the Messenger of God- peace be on him, thus testifying by their actions that there is no deity except God and that Muhammad is God's Messenger.

Total harmony between human life and the law of the universe is entirely beneficial for mankind, as this is the only guarantee against any kind of discord in life. Only in this state will they be at peace with themselves and at peace with the universe, living in accord with its laws and its movements. In the same way, they will have peace of mind, as their actions will agree with their true natural demands, with no conflict between the two. Indeed, the Shari'ah of God harmonizes the external behavior of man with his internal nature in an easy way. When a man makes peace with his own nature, peace and cooperation among individuals follow automatically, as they all live together under one system, which is a part of the general system of the universe.

Thus, blessings fall on all mankind, as this way leads in an easy manner to the knowledge of the secrets of nature, its hidden forces, and the treasures concealed in the expanses of the universe. Man uses these for the benefit of all mankind, under the guidance of the Shari'ah of God, without any conflict or competition.

In contrast to the Shari'ah of God are men's whims:

"Had the truth followed their opinions, the heavens and the earth and whosoever is in them would surely have been corrupted." (23:71)

From this we come to know that the truth is one and not many. It is the foundation of this religion, the heavens and earth are based upon it, all the affairs of this world and of the next are settled by it, man will be accountable to God on the basis of it, and those who deviate from the truth are punished by it, and people will be judged by God according to it. Truth is indivisible, and it is the name of that general law which God has ordained for all affairs; and everything in existence either follows it or is punished by it.

"We have sent to you a Book which speaks about you; do you not then use your reason? Many a wicked town have We destroyed and have replaced them with other people. When they felt Our Might approaching, they started to run. (It was said to them), 'Do not run; return to the luxury that you gloated in and to your homes; maybe you shall be questioned' .

They said: 'Woe upon us! We have been evil-doers'. So they did not stop crying until We made them stubble, silent and still. We did not create the heavens and the earth and whatsoever is between them as a sport. Had We desired to adopt it for Us as a diversion, We would have taken it to Us from Ourselves, had We done so. Nay, but We held the truth against falsehood, and it prevails over it, and behold! falsehood vanishes away. Then woe to you for what you ascribe (to God). To Him belongs whatsoever is in the heavens and the earth, and those who are with Him do not be- come too proud to worship Him; neither do they grow weary of glorifying Him by night and by day and never failing." (21: 10-20)

Human nature in its depths has full awareness of this truth. Man's form and body, and the organization of the vast universe around him, reminds him that this universe is based on truth, and truth is its essence, and it is related to a central law which sustains it. Thus, there is no disturbance in it, no conflict between its parts; it does not move at random, nor does it depend on chance, nor is it devoid of an overall plan; neither is it a sport in the hands of human caprices, but runs smoothly on a precise, detailed and prescribed course.

Conflict begins when man deviates from the truth which is hidden in the depths of his own nature, under the influence of his desires, and when he follows laws based on his own opinions instead of following God's commandments. Instead of submitting to his True Master along with the rest of the universe, he rebels and revolts.

When this conflict between man and his own nature, and man and the universe, spreads to human groups, nations and races, then all the forces and resources of the universe are utilized not for the benefit of all mankind, but for its destruction and for violence against others.

It becomes clear from the above discussion that the purpose of the establishment of God's law on earth is not merely for the sake of the next world. This world and the next world are not two separate entities, but are stages complementary to each other. The law given by God not only harmonizes these two stages but also harmonizes human life with the general law of the universe. Thus, when harmony between human life and the universe ensues, its results are not postponed for the next world but are operative even in this world. However, they will reach their perfection in the Hereafter.

This, then, is the foundation of the Islamic concept of the universe and of human life as a part of this universe. By its very nature, this concept is different from all other concepts known to mankind. This is why this concept implies certain responsibilities and obligations which are not found in other concepts of life.

According to this concept, obedience to the Shari'ah of God is actually a consequence of the need to harmonize human life with that law which is operative within man himself and in the rest of the universe.

This need demands that the law which governs the social affairs of human beings should be in accordance with the general law of the universe; it demands that man submit to God alone, with the rest of the universe, and that no man should claim lordship over others.

A suggestion of this need for harmony which we have been talking about is found in the conversation between Abraham- peace be on him - the father of the Muslim community, and Nimrod. This man was a tyrant and claimed absolute sovereignty over his subjects; yet he did not claim sovereignty over the heavens, the planets and stars. When the Prophet Abraham - peace be on him - put forward the argument that He Who has authority over the universe is the only One to have authority over human beings too, he became speechless:

"Have you considered the case of the man who argued with Abraham concerning his Sustainer, because God had given him rule over a country? When Abraham said: My Lord is He Who gives life and Who gives death,' he replied: 'I give life and I give death.' Abraham said: 'Indeed, God brings out the sun from the east. Then do you bring it out from the west?' Then the unbeliever became speechless. And God does not guide the evil-doing people". (2: 258)

"Do they seek a religion other than the religion of God, while whatever is in the heavens and the earth submits to Him willingly, and will return to Him?" (3:83)