It is a very fine thing to refuse an invitation, but it is a good thing to wait till you get it first.

"I hope, sir, that I will shoot your picture on your hundredth birthday." I don't see why not, young man. You look reasonably fit and healthy.

A joke is a very serious thing.

I had a feeling once about Mathematics - that I saw it all. Depth beyond depth was revealed to me - the Byss and Abyss. I saw - as one might see the transit of Venus or even the Lord Mayor's Show - a quantity passing through infinity and changing its sign from plus to minus. I saw exactly why it happened and why the tergiversation was inevitable but it was after dinner and I let it go.

Don't interrupt me while I'm interrupting.

I like pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.