Houston, Tranquillity Base here. The Eagle has landed.

He did it alone. We had a cast of a million.

You've got to expect things are going to go wrong. And we always need to prepare ourselves for handling the unexpected.

I am, and ever will be, a white-socks, pocket-protector, nerdy engineer - born under the second law of thermodynamics, steeped in steam tables, in love with free-body diagrams, transformed by Laplace, and propelled by compressible flow.

I believe that every human has a finite number of heartbeats. I don't intend to waste any of mine running around doing exercises.

NASA has been one of the most successful public investments in motivating students to do well and achieve all they can achieve. It's sad that we are turning the programme in a direction where it will reduce the amount of motivation and stimulation it provides to young people.

Here men from the planet Earth first set foot upon the Moon. July 1969 AD. We came in peace for all mankind.