Know thyself.

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

Nothing great was ever achieved without enthusiasm.

Identify your problems but give your power and energy to solutions

Take things as they are. Punch when you have to punch. Kick when you have to kick.

United we stand; divided we fall.

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

Be happy, but never satisfied.

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.

A man can't soar too high, when he flies with his own wings.

A man should look for what is, and not what he thinks should be.

Freedom and independence form my character.

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.

Waiting hurts. Forgetting hurts. But not knowing which decision to take is the worst of suffering

Never tell all you know-not even to the person you know best.

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

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

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

You see things; you say, 'Why?' But I dream things that never were; and I say 'Why not?

It's always too early to quit.

We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.