What can we know? What are we all? Poor silly half-brained things peering out at the infinite, with the aspirations of angels and the instinct of beasts.

A dog reflects the family life. Whoever saw a frisky dog in a gloomy family, or a sad dog in a happy one? Snarling people have snarling dogs, dangerous people have dangerous ones.

Mediocrity knows nothing higher than itself, but talent instantly recognizes genius.

Where there is no imagination there is no horror.

The world is full of obvious things which nobody by any chance ever observes.

It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

It has long been an axiom of mine that the little things are infinitely the most important.

Life is infinitely stranger than anything which the mind of man could invent.

I consider that a man's brain originally is like a little empty attic, and you have to stock it with such furniture as you choose.

London, that great cesspool into which all the loungers and idlers of the Empire are irresistibly drained.

When the impossible has been eliminated, all that remains no matter how improbable is possible.

Why are there beings at all, instead of Nothing?

Dream like a child. Reason like an elder. Play like a youth. Work like an adult.

A fair and just society offers equality of opportunity to all. But it cannot promise, and should not try to enforce, sameness.

You could care enough to keep a secret, but you could care enough to tell one, too.

The will of man is by his reason swayed.

The highest form of selfishness is that of the man who is content to go to heaven alone.

Donald Trump amplifies the worst instincts. And his nationalism is really a white racist supremacist nationalism.

Tobacco surely was designed To poison, and destroy mankind.

My family, my parents are hippies.

To have the opportunity to complete the slam at the Open at St Andrews, the home of golf, is something I will never ever forget.