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

Some people regard discipline as a chore. For me, it is a kind of order that sets me free to fly.

It's not what you look at that matters, it's what you see.

Great things are not done by impulse, but by a series of small things brought together.

If the only tool you have is a hammer, you tend to see every problem as a nail.

If you want creative workers, give them enough time to play.

My optimism wears heavy boots and is loud.

Humans have come into being for the sake of each other, so either teach them, or learn to bear them.

I am the lizard king. I can do anything.

The biggest adventure you can ever take is to live the life of your dreams.

Ideas come from everything

Isn't it astonishing that all these secrets have been preserved for so many years just so we could discover them!

The great art of life is sensation, to feel that we exist, even in pain.

If I find 10,000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

The crisis of today is the joke of tomorrow.

Whether you think you can, or you think you can't - you're right.

A liar will not be believed even when he speaks the truth.

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

I hated every minute of training, but I said, 'Don't quit. Suffer now and live the rest of your life as a champion'.

Your success and happiness lies in you. Resolve to keep happy, and your joy and you shall form an invincible host against difficulties.

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