Houston, Tranquillity Base here. The Eagle has landed.

You know, being a test pilot isn’t always the healthiest business in the world.

Science cuts two ways, of course; its products can be used for both good and evil. But there’s no turning back from science. The early warnings about technological dangers also come from science.

It suddenly struck me that that tiny pea, pretty and blue, was the Earth. I put up my thumb and shut one eye, and my thumb blotted out the planet Earth. I didn’t feel like a giant. I felt very, very small.

Astronomy compels the soul to look upward, and leads us from this world to another.

The dreams of yesterday are the hopes of today and the reality of tomorrow.

The sky is the limit only for those who aren’t afraid to fly!