It was pride that changed angels into devils; it is humility that makes men as angels.

We made bad use of immortality, and so ended up dying; Christ made good use of mortality, so that we might end up living.

There never can have been, and never can be, and there never shall be any sin without pride.

None save great men have been the authors of great heresies.

Since God is the highest good, he would not allow any evil to exist in his works unless his omnipotence and goodness were such as to bring good even out of evil.

It is better that the truth be known than that scandal be covered up.

Let your old age be childlike, and your childhood like old age; that is, so that neither may your wisdom be with pride, nor your humility without wisdom.