Throw a stone into the stream and the ripples that propagate themselves are the beautiful type of all influence.

Travel is a fools paradise.

Do you see that kitten chasing so prettily her own tail? If you could look with her eyes, you might see her surrounded with hundreds of figures performing complex dramas, with tragic and comic issues, long conversations, many characters, many ups and downs of fate.

Men love to wonder, and that is the seed of science.

Health is the first muse, and sleep is the condition to produce it.

Few people know how to take a walk. The qualifications are endurance, plain clothes, old shoes, an eye for nature, good humor, vast curiosity, good speech, good silence and nothing too much.

Every ship that comes to America got its chart from Columbus.