The secret of genius is to carry the spirit of the child into old age, which means never losing your enthusiasm.

Alone we can do so little; together we can do so much.

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

If you don't like the road you're walking, start paving another one.

The best way out is always through.

What lies behind us and what lies before us are tiny matters compared to what lies within us.

Status quo, you know, is Latin for 'the mess we're in'.

They deem me mad because I will not sell my days for gold; and I deem them mad because they think my days have a price.

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

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

I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.

Weakness of attitude becomes weakness of character.

Memories of our lives, of our works and our deeds will continue in others.

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

If you don't know, the thing to do is not to get scared, but to learn.

However difficult life may seem, there is always something you can do and succeed at.

I do not want to die rusting, I prefer to burn out.

One of the things I learned when I was negotiating was that until I changed myself, I could not change others.

Accept whatever comes to you woven in the pattern of your destiny, for what could more aptly fit your needs?

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

Sincerity and truth are the basis of every virtue.