No families take so little medicine as those of doctors, except those of apothecaries.

Wisdom is the abstract of the past, but beauty is the promise of the future.

You may have genius. The contrary is, of course, probable.

Truth is tough. It will not break, like a bubble, at a touch; nay, you may kick it about all day like a football, and it will be round and full at evening.

Every library should try to be complete on something, if it were only the history of pinheads.

Science is a first-rate piece of furniture for a man's upper chamber, if he has common sense on the ground-floor. But if a man hasn't got plenty of good common sense, the more science he has, the worse for his patient.

To reach a port we must sail, sometimes with the wind, and sometimes against it. But we must not drift or lie at anchor.