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.

One aspect of neighbourly love is that we must not merely will our neighbours good, but actually work to bring it about.

Perfection of moral virtue does not wholly take away the passions, but regulates them.

For it is necessary in every practical science to proceed in a composite (i.e. deductive) manner. On the contrary in speculative science, it is necessary to proceed in an analytical manner by breaking down the complex into elementary principles.

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

Far graver is it to corrupt the faith that is the life of the soul than to counterfeit the money that sustains temporal life.

Human salvation demands the divine disclosure of truths surpassing reason.