He who lives according to the guidance of reason strives as much as possible to repay the hatred, anger, or contempt of others towards himself with love or generosity. ...hatred is increased by reciprocal hatred, and, on the other hand, can be extinguished by love, so that hatred passes into love.

Men who are ruled by reason desire nothing for themselves which they would not wish for all mankind.

Fear cannot be without hope nor hope without fear. [They are the two sides of a coin, so learning how to manage fear through learning, understanding, rationality, controlled imagination, preparation, mental focus (including distraction) and a gratitude attitude is very helpful.]

The greatest good is the knowledge of the union which the mind has with the whole nature.

Everyone has as much right as he has might.

The most tyrannical of governments are those which make crimes of opinions, for everyone has an inalienable right to his thoughts.

There is no hope unmingled with fear, and no fear unmingled with hope.