问：有什么文本依据可以证明“Iman”（信仰）一词用来指伊斯兰教的每一个方面？
Q 40: What is the textual proof that the word Iman "Faith" is used to mean every aspect of the religion (of Islam)?
A---先知(愿主赐他平安)对阿卜杜勒·盖斯代表团说:"我命令你们只信仰独一的真主。"然后他问他们:"你们知道什么是只信仰独一的真主吗?"他们回答说:"真主和祂的使者更清楚。"于是先知ﷺ说……
A--- The Prophet (Peace be upon him) said to the delegation of 'Abd AlQais: "I order you to believe in Allah Alone and asked them, 'Do you know what is meant by believing in Allah Alone?' They replied, 'Allah and His Messenger know better.' Thereupon the Prophet (Peace be upon him)
他说："这意味着：作证万物非真主不可崇拜，穆罕默德是真主的使者ﷺ，谨守拜功，缴纳天课（义务的施舍），在斋月中封斋，并缴纳胜利品的五分之一（用于真主的事业）。"（布哈里和穆斯林圣训实录）
said: 'It means: to testify that none has the right to be worshipped but Allah, and Muhammad is Allah's Messenger, to offer Prayers, to pay the Zakah (obligatory charity), to observe fast during the month of Ramadan, and to pay AI-Khumus (one fifth of the booty to be given in Allah's Cause). (Bukhari and Muslim)
《200 个关于穆斯林信仰的常见问题》——谢赫哈菲兹·伊本·艾哈迈德·哈凯米
Reference: 200 FAQ On Muslims Belief - Shiekh Hafiz Ibn Ahmed Al Hakami