Crash programs fail because they are based on theory that, with nine women pregnant, you can get a baby in a month.

One good test is worth a thousand expert opinions.

Development of the space station is as inevitable as the rising of the sun; man has already poked his nose into space and he is not likely to pull it back . . . . There can be no thought of finishing, for aiming at the stars-both literally and figuratively-is the work of generations, and no matter how much progress one makes, there is always the thrill of just beginning.

The rocket worked perfectly, except for landing on the wrong planet.

There are flying grandfathers. But I intend to be an orbiting grandfather.

Crash programs fail because they are based on theory that, with nine women pregnant, you can get a baby in a month.

Looking back, nothing seems so simple than a utopian vision realised.