Do your homework in advance about the actual travel details so transportation issues do not define your holiday.

I want to know: How does a space suit on Mars work? Show me how it is pressurized, and how it is cooled. What's the glove design? None of that stuff can be bought off the rack. It does not exist. You can't just go to SpaceMart and buy those things.

Don`t let life randomly kick you into the adult you don`t want to become

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

Remember, nobody changes the world on their own.

Our three big emergencies are fire, loss of pressurization or contaminated atmosphere. Any of those things in a spaceship are very deadly and time critical. Everybody's trained, but I'm the commander of the ship, and it's up to me to decide.

Spaceflight isn't just about doing experiments, it's about an extension of human culture.