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Everything that goes on at Area 51 is classified 'top secret' when it's going on.

A secret is a weapon and a friend.

The backbone of surprise is fusing speed with secrecy.

The Japanese campaign involves therefore two great uncertainties; first, whether Russia will come in though we think that will be all right; and second, when and how S-1 will resolve itself.

To know that one has a secret is to know half the secret itself.

The vanity of being known to be trusted with a secret is generally one of the chief motives to disclose it.

You know there are no secrets in America. It's quite different in England, where people think of a secret as a shared relation between two people.

One of the first rules of science is if somebody delivers a secret weapon to you, you better use it.

The secret story is the one we'll never know, although we're living it from day to day, thinking we're alive, thinking we've got it all under control and the stuff we overlook doesn't matter.

I don't think that they have many of the scientists who were involved in the weapons program to talk to at this time, and there were thousands of people, engineers and scientists, they know where the weapons are.