As the saints will rejoice in all goods, so will the damned grieve for all goods.

Likewise grace and glory are referred to the same genus, since grace is nothing other than a certain first beginning of glory in us.

Good can exist without evil, whereas evil cannot exist without good.

Good and evil are essential differences of the act of the will. For good and evil pertain essentially to the will; just as truth and falsehood pertain to the reason, the act of which is distinguished essentially by the difference of truth and falsehood (according as we say that an opinion is true or false.) Consequently, good and evil volition are acts differing in species.

For those with faith, no evidence is necessary; for those without it, no evidence will suffice.

It is possible to demonstrate God's existence, although not a priori, yet a posteriori from some work of His more surely known to us.

Bestow upon me, O Lord my God, understanding to know thee, diligence to seek thee, wisdom to find thee, and a faithfulness that may finally embrace thee.