"Cause and effect, means and ends, seed and fruit, cannot be severed; for the effect already blooms in the cause, the end preëxists in the means, the fruit in the seed."

"The mind, once stretched by a new idea, never returns to its original dimensions."

"I have a great respect for the man who can make a living by his pen."

"Nature is no sentimentalist—does not cosset or pamper us. We must see that the world is rough and surly, and will not mind drowning a man or a woman, but swallows your ship like a grain of dust."

"The man who has a good library has a good many friends."