We may often do as we please - but we cannot please as we please.

Philosophy, if it cannot answer so many questions as we could wish, has at least the power of asking questions which increase the interest of the world, and show the strangeness and wonder lying just below the surface even in the commonest things of daily life.

I cannot escape from the conclusion that the great ages of progress have depended upon a small number of individuals of transcendent ability.

Ethical metaphysics is fundamentally an attempt, however disguised, to give legislative force to our own wishes.

If we were all given by magic the power to read each other's thoughts, I suppose the first effect would be to dissolve all friendships.

To save the world requires faith and courage: faith in reason, and courage to proclaim what reason shows to be true.

Those who forget good and evil and seek only to know the facts are more likely to achieve good than those who view the world through the distorting medium of their own desires.