A pen and a notebook and a reasonable amount of discrimination will change a journey from a mere annual into a perennial, its pleasures and pains renewable at will.

To awaken quite alone in a strange town is one of the most pleasant sensations in the world. You are surrounded by adventure.

The camel is an ugly animal, seen from above. Its shoulders slope formless like a sack, its silly little ears and fluff of bleached curls behind them have a respectable, boarding-house look, like some faded neatness that dresses for propriety but never dressed for love.

Like a human being, the mountain is a composite creature, only to be known after many a view from many a different point, and repaying this loving study, if it is anything of a mountain at all, by a gradual revelation of personality, an increase of significance.

Generalizations, one is told, are dangerous. So is life, for that matter, and it is built up on generalization - from the earliest effort of the adventurer who dared to eat a second berry because the first had not killed him.

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