问题20：要求在念诵清真言前必须了解其含义，其经文依据是什么？
Q 20: What is the textual proof of making knowledge of the meaning of the Shahadah a condition for pronouncing it?
A ---真主至尊说:{除了那些明知真理而为之作证的人},即信仰真主的独一,{而且他们是知道的}。(祖赫鲁弗,86)即他们在心中明白关于真主独一的事实及其含义。
A ---Allah the Almighty says: {Except for those who bear witness to the truth knowingly} i.e. believe in the Oneness of Allah, {and they know}. (Az-Zukhruf, 86) i.e. they know in their heart the facts about the Oneness of Allah and its meaning.
先知穆罕默德ﷺ说："凡死时确知除真主外别无应受崇拜者的人，必进入天堂。"（《穆斯林圣训实录》）
Prophet Muhammad (Peace be upon him) says: "He who died knowing (fully well) that there is no god but Allah entered Paradise ". (Sahih Muslim)
《200 个关于穆斯林信仰的问答》——谢赫哈菲兹·伊本·艾哈迈德·哈卡米
Reference: 200 FAQ On Muslims Belief - Shiekh Hafiz Ibn Ahmed Al Hakami