I think science is a foreign land for many people, so I think of my role as an ambassador's job.

You annex foreign land, not your own country.

Today, the rich bottom land of the Misssissippi is under water and no foreign land has sent a dollar to help.

The whole object of travel is not to set foot on foreign land; it is at last to set foot on one's own country as a foreign land.

The wonderful thing about maths is it's a totally logical subject, and a pathway has been marked out. I think a lot of these things can be crystallised in something quite essential, that people can get. If I can't explain it, I realise that's probably because I don't completely understand it myself.

We have to recognize that there is a problem of taking farmers' land at a very low price.