We constantly learn new lessons up here. The experiences we gather will enable us to establish a long-term station on the moon and to go on to Mars.

It's thrilling. There's birth and death and frustration and victory in raising horses. It's like a little microcosm of life is built into the short lives of these creatures.

My galligaskins, that have long withstood The winter's fury, and encroaching frosts, By time subdued (what will not time subdue!), A horrid chasm disclosed.

It is worthwhile for anyone to have behind him a few generations of honest, hard-working ancestry.

No amount of anxiety or worry is going to make any difference to anything that's going to happen anyway, so why let yourself feel so heavy?

The way you can recognize to what you are committed to is by your actual results. What you have gotten in life is a direct result (good or bad) to what you have been committed to.

It's been a great adventure, everything I hoped for. But it's time to go home. I miss my family. I miss the Earth.