Houston, Tranquillity Base here. The Eagle has landed.

Dinosaurs are extinct today because they lacked opposable thumbs and the brainpower to build a space program.

As we got further and further away, it [the Earth] diminished in size. Finally it shrank to the size of a marble, the most beautiful you can imagine. That beautiful, warm, living object looked so fragile, so delicate, that if you touched it with a finger it would crumble and fall apart. Seeing this has to change a man.

What was most significant about the lunar voyage was not that man set foot on the Moon but that they set eye on the earth.

There can be no thought of finishing for ‘aiming for the stars.’ Both figuratively and literally, it is a task to occupy the generations. And no matter how much progress one makes, there is always the thrill of just beginning.

I believe every human has a finite number of heartbeats. I don’t intend to waste any of mine

Curious that we spend more time congratulating people who have succeeded than encouraging people who have not.