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.

The truth is that the whole system of beliefs which comes in with the story of the fall of man ... is gently falling out of enlightened human intelligence.

Fresh air is good if you do not take too much of it; most of the achievements and pleasures of life are in bad air.

Most people are willing to take the Sermon on the Mount as a flag to sail under, but few will use it as a rudder by which to steer.

Truth, when not sought after, rarely comes to light.

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

The very aim and end of our institutions is just this: that we may think what we like and say what we think.