The theoretician believes in logic and believes that he despises dreams, intuition, and poetry. He does not recognize that these three fairies have only disguised themselves in order to dazzle him.... He does not know that he owes his greatest discoveries to them.

What do we mean by setting a man free? You cannot free a man who dwells in a desert and is an unfeeling brute.

To forget a friend is sad. Not every one has had a friend. And if I forget him, I may become like the grown−ups who are no longer interested in anything but figures.

The airplane has unveiled for us the true face of the earth.

You'll be bothered from time to time by storms, fog, snow. When you are, think of those who went through it before you, and say to yourself, 'What they could do, I can do.'

We understand … that what constitutes the dignity of a craft is that it creates a fellowship, that it binds men together and fashions for them a common language.

The meaning of things lies not in the things themselves, but in our attitude towards them.