Revolution is man's normal activity, and if he is wise he will grade it slowly so that it may be almost imperceptible - otherwise it will jerk in fits and starts and cause discomfort.

The art of learning fundamental common values is perhaps the greatest gain of travel to those who wish to live at ease among their fellows.

Whatever the advantages of the machine may be - and they are many - the very ease of its use is bound to make away with intimacy - the intercourse of human beings, of animals, or of that which we still think of as the natural world.

Manners are like zero in arithmetic. They may not be much in themselves, but they are capable of adding a great deal of value to everything else.

The true fruit of travel is perhaps the feeling of being nearly everywhere at home.

The true call of the desert, of the mountains, or the sea, is their silence - free of the networks of dead speech.

There is generosity in giving, but gentleness in receiving.