A great estate is a great disadvantage to those who do not know how to use it, for nothing is more common than to see wealthy persons live scandalously and miserably; riches do them no service in order to virtue and happiness; therefore 'tis precept and principle, not an estate, that makes a man good for something.

There is no man so fortunate that there shall not be by him when he is dying some who are pleased with what is going to happen.

Men are born for each other's sake, so either teach people or endure them

To them that ask: Where hast thou seen the Gods, or how knowest thou certainly that there be Gods, that thou art so devout in their worship? I answer: Neither have I seen my own soul, and yet I respect and honor it.

From Apollonius I learned freedom of will and undeviating steadiness of purpose; and to look to nothing else, not even for a moment, except to reason; and to be always the same, in sharp pains, on the occasion of the loss of a child, and in long illness.

Do not be wise in words - be wise in deeds.

This is moral perfection: to live each day as though it were the last; to be tranquil, sincere, yet not indifferent to one's fate.