It is a great thing to know our vices.
It is a true saying that 'One falsehood leads easily to another'.
A happy life consists in tranquillity of mind.
A life of peace, purity, and refinement leads to a calm and untroubled old age.
A mind without instruction can no more bear fruit than can a field, however fertile, without cultivation.
Advice is judged by results, not by intentions.
All action is of the mind and the mirror of the mind is the face, its index the eyes.
Art is born of the observation and investigation of nature.
As the old proverb says 'Like readily consorts with like'.
He only employs his passion who can make no use of his reason.