120. Why speak of other signs when the most conspicuous sign of Truth is the very person of Muhammad? Let us recall his life before the commencement of his prophethood, the conditions existing in the area where, and the people among whomn, he was born, the manner in which he was brought up and spent the first forty years of his life, and then his glorious achievements as a Prophet. What further signs could we want in support of his message?