The days on which one has been the most inquisitive are among the days on which one has been happiest.

The happiness even of the naturalist depends in some measure upon his ignorance, which still leaves him new worlds of this kind to conquer. He may have reached the very Z of knowledge in the books, but he still feels half ignorant until he has confirmed each bright particular with his eyes.

The art of writing history is the art of emphasizing the significant facts at the expense of the insignificant. And it is the same in every field of knowledge. Knowledge is power only if a man knows what facts not to bother about.

When people complain of the decay of manners they have in mind not the impudent abbreviations of the crowd, but the decline in bowing and scraping and in speaking of one's employer as "the master." What the rich mean by the good manners of the poor is usually not civility, but servility.

Swinburne was an absurd character. He was a bird of showy strut and plumage. One could not but admire his glorious feathers; but, as soon as he began to moult ... one saw how very little body there was underneath.

There are travelers who fear to own delicate hands more than to meet a lion, and soldiers who would rather lose a limb than gain a beautiful nose by artificial methods.

There is nothing in which the birds differ more from man than the way in which they can build and yet leave a landscape as it was before.