Misfortune seldom intrudes upon the wise man; his greatest and highest interests are directed by reason throughout the course of life.Epicurus
To do the same thing over and over again is not only boredom: it is to be controlled by rather than to control what you do.Heraclitus
The best people renounce all for one goal, the eternal fame of mortals; but most people stuff themselves like cattle.Heraclitus
If you do not expect the unexpected you will not find it, for it is not to be reached by search or trail.Heraclitus
As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.Diogenes