Obedience unites us so closely to God that it in a way transforms us into Him, so that we have no other will but His. If obedience is lacking, even prayer cannot be pleasing to God.

He who is dying of hunger must be fed rather than taught.

It is not theft, properly speaking, to take secretly and use another's property in a case of extreme need: because that which he takes for the support of his life becomes his own property by reason of that need

The theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.

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

An act of love always tends towards two things; to the good that one wills, and to the person for whom one wills it.

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