I must uphold my ideals, for perhaps the time will come when I shall be able to carry them out.

You're only given a little spark of madness. You mustn't lose it.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

A toast, Jedediah, to love on my terms. Those are the only terms anybody ever knows - his own.

New opinions are always suspected, and usually opposed, without any other reason but because they are not common.

The fascination of shooting as a sport depends almost wholly on whether you are at the right or wrong end of the gun.

Remember upon the conduct of each depends the fate of all.

I've learned that you shouldn't go through life with a catcher's mitt on both hands; you need to be able to throw something back.

Where grief is fresh, any attempt to divert it only irritates.

There is nothing more miserable in the world than to arrive in paradise and look like your passport photo.

Memory... is an internal rumour.

Keep things at arm's length... If you let anything come too near you want to hold on to it. And there is nothing a man can hold on to.

I may not be better than other people, but at least I'm different.

People think I'm a miserable sod but it's only because I get asked such bloody miserable questions.

Nothing is black or white.

There is no limit to the amount of good you can do if you don't care who gets the credit.

External nature is only internal nature writ large.

Dream lofty dreams, and as you dream, so you shall become. Your vision is the promise of what you shall one day be; your ideal is the prophecy of what you shall at last unveil.

Moonlight is sculpture.

Dare to risk public criticism.

I've had a perfectly wonderful evening, but this wasn't it.