Effective leadership is not about making speeches or being liked; leadership is defined by results not attributes.Peter Drucker
Management by objective works - if you know the objectives. Ninety percent of the time you don't.Peter Drucker
We must exercise ourselves in the things which bring happiness, since, if that be present, we have everything, and, if that be absent, all our actions are directed toward attaining it.Epicurus
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
It was a favorite expression of Theophrastus that time was the most valuable thing that a man could spend.Diogenes