Imbibe three or four times as much water as you think you need and skip at least one, if not two meals, when you are travelling. You should arrive at your destination feeling slightly hungry and your digestive system reset.

There is a sunrise or a sunset from space every 92 minutes so there is an incredible amount of beauty to see from up there.

The Moon has given us months, tides and a destination that ever-beckons. It's time we build a rocket and go to stay.

Every single day you're the result of what you did on the days prior.

Competence means keeping your head in a crisis, sticking with a task even when it seems hopeless, and improvising good solutions to tough problems when every second counts. It encompasses ingenuity, determination and being prepared for anything.

The danger is different from the fear. ... [practice] what to do if things go wrong, as well as right.

There is no problem so bad that you cannot make it worse