Using the occurrence of miracles, to argue for the existence of the attribute of Speech. This is given the fact that miracles are expressions of conventional signification.
Contingency of Existent Possible Essences
Proof that if a possible essence exists, then this necessarily means that this essence acquired its existence from that which is other than itself.
Emergence of All Contingents
Proof for the emergence of any essence that is known to be contingent.
Al-Razi: Distinguishing Speech from Will
Some have argued that the essence of Allah’s ﷻ Speech is identical to that of His Will. Such that His commanding a thing, is His willing for its occurrence. Imam Fakhr Al-Deen Al-Razi demonstrates why this is not the case in this article.
Al-Razi: Debate with a Christian
A brief debate with a Christian on the incarnation, that Imam Fakhr Al-Deen Al-Razi recounts in his Al-Arba’een fi Usul Al-Deen.
Keys to the Unseen 