Intuition comes very close to clairvoyance; it appears to be the extrasensory perception of reality.

The search for God is indeed, an entirely personal undertaking.... the most audacious adventure that one can dare.

Those who don't learn to fight worry, die young.

To what extent is any given man morally responsible for any given act? We do not know

In man, the things which are not measurable are more important than those which are measurable.

Men grow when inspired by a high purpose, when contemplating vast horizons. The sacrifice of oneself is not very difficult for one burning with the passion for a great adventure.

The modern city consists of...dark, narrow streets full of gasoline fumes, coal dust, and toxic gasses, torn by the noise.