Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.

A person is disposed to an act of choice by an angel ... in two ways. Sometimes, a man's understanding is enlightened by an angel to know what is good, but it is not instructed as to the reason why ... But sometimes he is instructed by angelic illumination, both that this act is good and as to the reason why it is good.

The test of the artist does not lie in the will with which he goes to work, but in the excellence of the work he produces.

It is altogether unlawful to kill oneself... Wherefore suicide is contrary to the inclination of nature, and to charity whereby every man should love himself... Life is God's gift to man, and is subject to His power, Who kills and makes to live. Hence whoever takes his own life, sins against God... for it belongs to God alone to pronounce sentence of death and life.

One cannot use an evil action with reference to a good intention.

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church.

Do not wish to jump immediately from the streams to the sea, because one has to go through easier things to the more difficult.