Science tells us what we can know, but what we can know is little, and if we forget how much we cannot know we become insensitive to many things of great importance.

There is an element of the busybody in our conception of virtue: unless a man makes himself a nuisance to a great many people, we do not think he can be an exceptionally good man.

What's the difference between a bright, inquisitive five-year-old, and a dull, stupid nineteen-year-old? Fourteen years of the British educational system.

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

A truer image of the world, I think, is obtained by picturing things as entering into the stream of time from an eternal world outside, than from a view which regards time as the devouring tyrant of all that is.

Why repeat the old errors, if there are so many new errors to commit?

Any pleasure that does no harm to other people is to be valued.