And the formation of man is the most pressing problem facing humanity.

Because they knew each other's thoughts, they even quarrelled without speaking.

I slept in black tents, blue tents, skin tents, yurts of felt and windbreaks of thorns. One night, caught in a sandstorm in the Western Sahara, I understood Muhammed's dictum, 'A journey is a fragment of Hell.'

Sluggish and sedentary peoples, such as the Ancient Egyptians-- with their concept of an afterlife journey through the Field of Reeds-- project on to the next world the journeys they failed to make in this one.

Travel doesn't merely broaden the mind. It makes the mind.

I haven't got any special religion this morning. My God is the God of Walkers. If you walk hard enough, you probably don't need any other god.

I never liked Jules Verne, believing that the real was always more fantastic than the fantastical.