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'.

I pictured a low timber house with a shingled roof, caulked against storms, with blazing log fires inside and the walls lined with all the best books, somewhere to live when the rest of the world blew up.

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

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

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

For life is a journey through a wilderness

The usual run of children's books left me cold, and at the age of six I decided to write a book of my own. I managed the first line, 'I am a swallow.' Then I looked up and asked, 'How do you spell telephone wires?