[Science is] piecemeal revelation.

Stupidity often saves a man from going mad.

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 be seventy years young is sometimes far more cheerful and hopeful than to be forty years old.

Every event that a man would master must be mounted on the run, and no man ever caught the reins of a thought except as it galloped past him.

Learn the sweet magic of a cheerful face.

Language is the blood of the soul into which thoughts run and out of which they grow.