Do not be embarrassed by your mistakes. Nothing can teach us better than our understanding of them. This is one of the best ways of self-education.

It is one of the blessings of old friends that you can afford to be stupid with them.

I have attained my desire in this world, which was to travel through the earth.

The worst bankrupt in the world is the person who has lost his enthusiasm.

Look deep into nature, and then you will understand everything better.

Love is the only reality and it is not a mere sentiment. It is the ultimate truth that lies at the heart of creation.

You must do the things you think you cannot do.