The laws of life are founded on necessity, its charms on the non-essentials.

Pleasure is by no means an infallible critical guide, but it is the least fallible.

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.

Always the dullness of the fool is the whetstone of the wits

Childhood shows the man, as morning shows the day

Greatideas often receive violent opposition from mediocre minds.

The mostimportant things are the hardest to say, because words diminish them.

Reasonand emotion are not antagonists. What seems like a struggle between twoopposing ideas or values, one of which, automatic and unconscious, manifestsitself in the form of a feeling.

You grow up the day you have first real laugh - at yourself

If twopeople on the same job agree all the time, then one is useless. If theydisagree all the time, then both are useless.

Truth is strengthened by observation and delay, falsehood by haste and uncertainity.

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