Good masters teach good doctrine, but that taught by evil masters is wholly evil.

We must always be on guard lest, under the pretext of keeping one commandment, we be found breaking another.

They who sow courtesy reap friendship, and they who plant kindness gather love.

As it is impossible to verbally describe the sweetness of honey to one who has never tasted honey, so the goodness of God cannot be clearly communicated by way of teaching if we ourselves are not able to penetrate into the goodness of the Lord by our own experience.

In truth, to know oneself seems to be the hardest of all things. Not only our eye, which observes external objects, does not use the sense of sight upon itself, but even our mind, which contemplates intently another's sin, is slow in the recognition of its own defects.

The human being is an animal who has received the vocation to become God.

If someone has repented once of a sin, and again does the same sin, this is a sign that he has not been cleansed of the causes of the sin, wherefrom, as from a root, the shoots spring forth again.