(Surah an-Nahl...

(Surah an-Nahl, 16:96) In other words, those abstract truths which are not subject to material characteristics and the treasures of which are with Allah, are not to come to an end. The following tradition, which is accepted by the Shi'ah and the Sunnis both, is also relevant in this connection: "We, the Prophets have been ordered to speak to the people according to their intellectual capacity." This tradition relates to the description of the truths, not to their quantity.

It says that the Prophets simplify the higher truths and describe them in a way comprehensible to their addresses. Human mind having been dazzled by the glamour of the world and being preoccupied with the futile desires, has become dull and rusty and is not capable of…