Improvement makes strait roads, but the crooked roads without Improvement, are roads of Genius.

A bird doesn't sing because it has an answer, it sings because it has a song.

I don’t think we are going to become extinct. We are very clever and very resourceful.

A long apprenticeship is the most logical way to success. The only alternative is overnight stardom, but I can't give you a formula for that.

Do not count your chickens before they are hatched.

One must maintain a little bittle of summer, even in the middle of winter.

You can't live a perfect day until you do something for someone who will never be able to repay you.

Don't wish it were easier, wish you were better.

The greatest accomplishment is not in never falling, but in rising again after you fall.

Sincerity and truth are the basis of every virtue.

If we ever forget that we're one nation under God, then we will be one nation gone under.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.

Gratitude is an illness suffered by dogs.

Freedom from the desire for an answer is essential to the understanding of a problem.

The question isn't who is going to let me; it's who is going to stop me.

Whatever the mind of man can conceive and believe, it can achieve.

For every man there exists a bait which he cannot resist swallowing.

Neither worse then or better is a thing made by being praised.

Man needs his difficulties because they are necessary to enjoy success.

The way I see it, if you want the rainbow, you gotta put up with the rain.