A newbroom sweeps clean, but an old broom knows the corners.

To sit alone in the lamp light with a book spread out before you-such is a pleasure beyond compare.

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

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

People who can't admit they are part of the problem, willnever be part of its solution.

Whenevertwo good people argue over principles, they are both right.

Trust begets trust and untrust begets untrust. It'snatural.

One of the function of intelligence is to take account of the dangers that come from trusting solely to the intelligence.

Successdepends upon previous preparation, and without such preparation there is sureto be failure.

A fool can tell the truth, but it requires a man of sense to know how to tell a lie.

Conflictleads to less-than-adequate performance, resentments, and lack of motivation.

The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.