I don't know why I always liked aerospace engineering. I was in the 10th grade when I figured that's what I wanted to do.

The path from dreams to success does exist. May you have the vision to find it, the courage to get on to it, and the perseverance to follow it. Wishing you a great journey.

When you look at the stars and the galaxy, you feel that you are not just from any particular piece of land, but from the solar system.

This planet below you is our campsite, and you know of no other campground.

Some of the senior people, the very senior astronauts, shook my hand and said, 'K.C., you did a great job. Don't let anyone tell you different.'

I was interested in aerospace and flying, and the U.S. is really the best place in the world for flying.

The path from dreams to success does exist. May you have the vision to find it, the courage to get on to it, and the perseverance to follow it.

Listen to the sounds of nature. Wishing you the best on your trek towards your dreams.

You are just your intelligence.

No one will teach you what you ought to know. You must search the truth for yourself.

If you leave your life to chance, you can't make a change. Chance may favour a prepared mind, but it doesn't create change! Will does so.

An amiable weakness.

because life slips away, and because I need for the rest of my journey a star that will not play false to me, a compass that will not lie.

The true call of a Christian is not to do extraordinary things, but to do ordinary things in an extraordinary way.

Put a 'stop-loss' order on your worries. Decide just how much anxiety a thing may be worth- and refuse to give it any more.

I don't know whether the future or 2018 exists or not, but if it exists, I'm offering a show to a museum in Australia titled "Time Reversed." Time is going backwards.

You might be a redneck if during your senior year you and your mother had homeroom together.

The sooner you learn to finish things, and as a matter of course finish your creative endeavors, the better. It took me a long time to learn that.

I am almost inclined to coin a word and call the appearance fluorescence, from fluor-spar, as the analogous term opalescence is derived from the name of a mineral.