Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

Keep your eyes on the stars, and your feet on the ground.

For a man who no longer has a homeland, writing becomes a place to live.

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

Perseverance is failing 19 times and succeeding the 20th.

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

The more you lose yourself in something bigger than yourself, the more energy you will have.

If you can dream it, you can do it.

Our life is what our thoughts make it.

Too much sanity may be madness - and the maddest of all is to see life as it is and not as it should be.

Always do what is right. It will gratify half of mankind and astound the other.

Life is like riding a bicycle. To keep your balance, you must keep moving.

It is better to light one small candle than to curse the darkness.

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

The fishermen know that the sea is dangerous and the storm terrible, but they have never found these dangers sufficient reason for remaining ashore.

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

My heroes are the ones who survived doing it wrong, who made mistakes, but recovered from them.

If you're not prepared to be wrong, you'll never come up with anything original.

If we want a free and peaceful world, if we want to make the deserts bloom and man grow to greater dignity as a human being-we can do it.

However many holy words you read, however many you speak, what good will they do you if you do not act on upon them?

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