Everybody should have an equal chance - but they shouldn't have a flying start.

With the ministry's motto 'Research on a Shoestring' emblazoned on his coat of arms, he has to struggle with a treasury more interested in surtax relief than national survival. [Responding to an earlier statement by British Science Minister, Lord Hailsham, that British scientists were being recruited by the U.S.]

He who rejects change is the architect of decay.

I'm an optimist, but I'm an optimist who takes his raincoat.

At home and abroad I have repeatedly been asked what are the main essentials of a successful prime minister. Over and above communication and vigilance, there are two factors I have always mentioned. They are sleep, and a sense of history.

Debating against him is no fun, say something insulting and he looks at you like a whipped dog.

[Criticizing as "appalingly complacent" a Conservative Government report that by the '60s, Britain would be producing all the scientists needed] Of course we shall, if we don't give science its proper place in our national life. We shall no doubt be training all the bullfighters we need, because we don't use many.