The wise man learns more from his enemies than the fool does from his friends.

There is no evil in the atoms, only in men's souls.

Knowingthat everything's futile but still fighting, still raging against the dying ofthe light that's what motivates me all the time ... If you hold that sense offutility in your head for too long, it can begin to eat into you. You canstill be aware of it

A man is but a product of his thoughts; what he thinks, that he becomes

Thereverse side also has a reverse side.

The thoughts that come often unsought, and as it were, drop into the mind, are commonly the most valuable of any we have.

A slyrabbit will have three openings to its den.

People whoare too concerned with how well they are doing will be less successful andfeel less competent than those who focus on the task itself... Somepsychologists call it a conflict between egoorientation, or between extrinsicand intrinsic motivation...

Any man can make mistakes but only an idiot persists in his error.

The most successful man in the life is the man who has the best information.

Words are like spears: Once they leave your lips they can never come back.

Power, however it has evolved, whatever its origins, willnot be given up without a struggle.