We sometimes congratulate ourselves at the moment of waking from a troubled dream; it may be so the moment after death.

How often I found where I should be going only by setting out for somewhere else.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

There are no eternal facts, as there are no absolute truths.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

Never do anything when you are in a temper, for you will do everything wrong.

I hear and I forget. I see and I remember. I do and I understand.

Don't expect to build up the weak by pulling down the strong.

Science may set limits to knowledge, but should not set limits to imagination.

Adapt what is useful, reject what is useless, and add what is specifically your own.

One never notices what has been done; one can only see what remains to be done.

Do not reveal what you have thought upon doing, but by wise council keep it secret being determined to carry it into execution.

The most courageous act is still to think for yourself. Aloud.

For we walk by faith, not by sight

Think no vice so small that you may commit it, and no virtue so small that you may over look it.

One new feature or fresh take can change everything.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

No man has any natural authority over his fellow men.

You are the bows from which your children as living arrows are sent forth.

Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.

Nature is pleased with simplicity. And nature is no dummy