I not only use all the brains that I have, but all that I can borrow.

The power for creating a better future is contained in the present moment: You create a good future by creating a good present.

We are citizens of the world. The tragedy of our times is that we do not know this.

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.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

If you spend too much time thinking about a thing, you'll never get it done.

Change your thoughts and you change your world.

Do what you can, with what you have, where you are.

Your pain is the breaking of the shell that encloses your understanding.

I believe that every person is born with talent.

Only the wisest and stupidest of men never change.

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.

When every physical and mental resource is focused, one's power to solve a problem multiplies tremendously.

I may have had a lot of luck in my life, but I still need to find a challenge in the game.

Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.

They say Rome wasn't built in a day, but I wasn't on that particular job.

You can wish for things in the future to be different, but in this moment you have to accept things as they are.

All thinking men are atheists.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

Believe you can and you're halfway there.

I will never be by violence constrained to do anything.