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

When people start talking of man's inhumanity to man it means they haven't actually walked far enough.

To lose a passport was the least of one’s worries. To lose a notebook was a catastrophe.

I learned about Chinese ceramics and African sculptures, I aired my scanty knowledge of the French Impressionists, and I prospered.

As a general rule of biology, migratory species are less 'aggressive' than sedentary ones. There is one obvious reason why this should be so. The migration itself, like the pilgrimage, is the hard journey: a 'leveller' on which the 'fit' survive and stragglers fall by the wayside. The journey thus pre-empts the need for hierarchies and shows of dominance. The 'dictators' of the animal kingdom are those who live in an ambience of plenty. The anarchists, as always, are the 'gentlemen of the road'.

Anything was better than to be loved for one's things.

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