Pride, the Source of All Faults

This is the reason for the first fall and the starting point of the original sickness. Creeping in again through the one who had already been destroyed by it, it entered the first-formed man and produced the weaknesses and the material of all faults. For while he believed that by the freedom of his will and by his own efforts he could gain the glory of Godhead, he lost the glory he already had through the free gift of the Creator. [a]