Always be a first-rate version of yourself, instead of a second-rate version of somebody else.
Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.
Our fatigue is often caused not by work, but by worry, frustration and resentment.
Preparation, I have often said, is rightly two-thirds of any venture.
When we hate our enemies, we are giving them power over us – power over our sleep, our appetites, our blood pressure, our health, and our happiness.