Curiosity is the one thing invincible in Nature.

Constancy, far from being a virtue, seems often to be the besetting sin of the human race, daughter of laziness and self-sufficiency, sister of sleep, the cause of most wars and practically all persecutions.

One can only really travel if one lets oneself go and takes what every place brings without trying to turn it into a healthy private pattern of one's own and I suppose that is the difference between travel and tourism.

There is generosity in giving, but gentleness in receiving.

the main necessity on both sides of a revolution is kindness, which makes possible the most surprising things. To treat one's neighbor as oneself is the fundamental maxim for revolution.

Risk is the salt and sugar of life.

To feel, and think, and learn - learn always: surely that is being alive and young in the real sense