It is never right to do wrong or to requite wrong with wrong, or when we suffer evil to defend ourselves by doing evil in return.

Remember, no human condition is ever permanent. Then you will not be overjoyed in good fortune nor too scornful in misfortune.

The only place where success comes before work is in the dictionary.There is only one good, knowledge, and one evil, ignorance.

I have good hope that there is something remaining for the dead.

Men of Athens, I honor and love you; but I shall obey God rather than you, and while I have life and strength I shall never cease from the practice and teaching of philosophy.

If all misfortunes were laid in one common heap whence everyone must take an equal portion, most people would be contented to take their own and depart.

Often when looking at a mass of things for sale, he would say to himself, 'How many things I have no need of!'