The only way of finding the limits of the possible is by going beyond them into the impossible.

Don't let anyone tell you what you ought to like... Some wines that some experts think are absolutely exquisite don't appeal to me at all.

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

Our patience will achieve more than our force.

I'd rather be an optimist and a fool than a pessimist and right.

Change your thoughts and you change your world.

In winter, I plot and plan. In spring, I move.

Aim for the highest.

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

Believe you can and you're halfway there.

Truth is like the sun. You can shut it out for a time, but it ain't goin' away.

Though the road's been rocky it sure feels good to me.

The past cannot be changed. The future is yet in your power.

If you enter this world knowing you are loved and you leave this world knowing the same, then everything that happens in between can be dealt with.

Scar tissue is stronger than regular tissue. Realize the strength, move on.

A man may die, nations may rise and fall, but an idea lives on.

To go too far is as bad as to fall short.

I don't care what people think or say about me, I know who I am.

When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.

Once you learn to quit, it becomes a habit.

Learn from yesterday, live for today, hope for tomorrow.