When it was first proposed to establish laboratories at Cambridge, Todhunter, the mathematician, objected that it was unnecessary for students to see experiments performed, since the results could be vouched for by their teachers, all of them of the highest character, and many of them clergymen of the Church of England.

The observer, when he seems to himself to be observing a stone, is really, if physics is to be believed, observing the effects of the stone upon himself.

It is clear that thought is not free if the profession of certain opinions makes it impossible to earn a living.

It is not known why the Lord made the human body as he did, since one might suppose that omnipotence could have made it such as would not have shocked the nice people.

The man who only loves beautiful things is dreaming, whereas the man who knows absolute beauty is wide awake.

War can only be abolished by the establishment of a world government.

The modern man thinks that everything ought to be done for the sake of something else, and never for its own sake.