People should pursue what they're passionate about. That will make them happier than pretty much anything else.

Imagination is everything. It is the preview of life's coming attractions.

The starting point of all achievement is desire.

Laziness is nothing more than the habit of resting before you get tired.

Never let the future disturb you. You will meet it, if you have to, with the same weapons of reason which today arm you against the present.

Lack of direction, not lack of time, is the problem. We all have twenty-four hour days.

The best way to find yourself is to lose yourself in the service of others.

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

So early in my life, I had learned that if you want something, you had better make some noise.

Great spirits have always encountered violent opposition from mediocre minds.

If you can't feed a hundred people, then just feed one.

I would prefer even to fail with honor than win by cheating.

We need never be ashamed of our tears.

You need a little bit of insanity to do great things.

Don't get set into one form, adapt it and build your own, and let it grow, be like water.

The key to immortality is first living a life worth remembering.

Everything I've ever done was out of fear of being mediocre.

We're lost, but we're making good time

A thing worth having is a thing worth cheating for.

Any book that helps a child to form a habit of reading, to make reading one of his deep and continuing needs, is good for him.

My optimism wears heavy boots and is loud.