No matter how hard it seems just keep going, don't quit because we only fail when we give up.

That man has reached immortality who is disturbed by nothing material.

A joy that's shared is a joy made double.

We are part of the Earth. The Earth is part of us.

A person starts to live when he can live outside himself.

I am not bothered by the fact that I am unknown. I am bothered when I do not know others.

Integrity is the most important asset in business.