Who stops learning may be old.

Don't find fault, find a remedy.

Coming together is a beginning keeping together is progress working together is success.

When everything seems to be going against you, remember that the aeroplane takes off against the wind, not with it.

Failure is the opportunity to begin again more intelligently.

Obstacles are those frightful things you see when you take your eyes off your goals.

If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.

When everything seems to be going against you, remember that the airplane takes off against the wind, not with it.

Coming together is a beginning; keeping together is progress; working together is success.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young.

Quality means doing it right when no one is looking.

Love is as strong as death, as hard as hell.

Play with reason and doubt will close all the gates

Sound is the vocabulary of nature.

Cop comes down the street crazy as a loon, he throws us in jail for carrying harpoons.

You were supposed to empathize with your friend's problem, but they were, after all, your friend's problems.

I always feel like hard work leads the way, and from there, I leave it up to the powers that be.

If you build it, nerds will come.

Charter schools are just public schools on a slightly longer leash. A dog on a long leash is still a dog on a leash.

Nature's book always contains the truth; we must only learn to read it.

If [the shooting of Gabby Giffords in] Tucson tells us anything at all, it tells us this: Government has failed.