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

It is necessary to posit something which is necessary of itself, and has no cause of its necessity outside of itself but is the cause of necessity in other things. And all people call this thing God.

Given the sin of impiety through which they [the Romans] sinned against the divine nature [by idolatry], the punishment that led them to sin against their own nature followed.... I say, therefore, that since they changed into lies [by idolatry] the truth about God, He brought them to ignominious passions, that is, to sins against nature; not that God led them to evil, but only that he abandoned them to evil.

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

To teach in order to lead others to faith is the task of every preacher and of each believer.

Devotion is a certain act of the will by which man gives himself promptly to divine service.

God's precepts are light to the loving, heavy to the fearful.