There are only two qualities in the world: efficiency and inefficiency; and only two sorts of people: the efficient and the inefficient.

Men of genius are like eagles, they live on what they kill, while men of talents are like crows, they live on what has been killed for them.

Plenty of folks are so contrary that if they should fall into the river, they would insist upon floating upstream.

Theres not a lot of good humor in medicine, but theres a lot of medicine in good humor.

If men were stubborn just in proportion as they were right, stubbornness would take her seat among the virtues; but men are generally stubborn just in proportion as they are ignorant and wrong.

Contentment is a kind of moral laziness; if there wasn't anything but contentment in his world, man wouldn't be any more of a success than an angleworm is

Pity costs nothing, and it ain't worth nothing.