So, to detract from the perfection of creatures is to detract from the perfection of divine power.

It is only God who creates. Man merely rearranges.

There is nothing on this earth more to be prized than true friendship.

We set forth our petitions before God, not in order to make known to Him our needs and desires, but rather so that we ourselves may realize that in these things it is necessary to turn to God for help.

Practical sciences proceed by building up; theoretical science by resolving into components.

For although the will cannot be inwardly moved by any creature, yet it can be moved inwardly by God.

The soul, which is the first principle of life, is not a body, but the act of a body; just as heat, which is the principle of calefaction, is not a body, but an act of a body.