We need never be ashamed of our tears.

When you're curious, you find lots of interesting things to do.

Insanity is doing the same thing over and over again and expecting different results.

Only when I fall do I get up again.

We delight in the beauty of the butterfly, but rarely admit the changes it has gone through to achieve that beauty.

Weakness of attitude becomes weakness of character.

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

Start by doing what is necessary, then what is possible, and suddenly you are doing the impossible.

We travel. Some of us forever. To seek other states, other lives, other souls.

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.

I don’t think we are going to become extinct. We are very clever and very resourceful.

My optimism wears heavy boots and is loud.

To succeed in your mission, you must have single-minded devotion to your goal.

Trust in dreams, for in them is hidden the gate to eternity.

It marks a big step in your development when you come to realize that other people can help you do a better job than you could do alone.

We could all take a lesson from crayons: some are sharp, some are beautiful, some have weird names, and all are different colors, but they still learn to live in the same box...

We should not give up and we should not allow the problem to defeat us.

Be miserable. Or motivate yourself. Whatever has to be done, it's always your choice.

The meaning of life is that it is to be lived, and it is not to be traded and conceptualized and squeezed into a patter of systems.

I work hard, and I do good, and I'm going to enjoy myself. I'm not going to let you restrict me.

You have power over your mind - not outside events. Realize this, and you will find strength.