Renown and repose do not go together.

Man must not check reason by tradition, but must check tradition by reason.

A book is a mirror; if an ass peers into it, you can't expect an apostle to peer out.

Nature arms each man with some faculty which enables himto do easily some feat impossible to any other.

A man's ruin lies in his tongue.

Everyone speaks well of his heart, but no one dares to say it of his dead.

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

The property of power is to protect.

A cup is useful only when it is empty; and a mind that is filled with beliefs, with dogmas, with assertions, with quotations, is really an uncreative mind.

If you follow me, I may lead you straight to hell, but ifyou trust me, I will lead you back out again.

It is no profit to have learned well, if you neglect to do well.

Power consists in one's capacity to link his will with thepurpose of others, to lead by reason and a gift of cooperation.