It takes years to build on to a dream but only a second to shatter.

Sometimes you need to be a little selfish because kindness is seldom appreciated.

Absolute perfection is insidious.

The presence of a problem in your life isn't to give you something to worry and cry about, but to occupy you with solving it and growing from its process.

The lives we lead, every decision, it shows on our faces.

...but every person who does serious time with a keyboard is attempting to translate his version of the world into words so that he might be understood.

He who waits to do a great deal of good at once will never do anything.

If I have to have a past, then I prefer it to be multiple choice.

Fires of suffering and strife are raging around the world.

I say 'come with it.' I'm not expecting anything easy. You have to earn your place. That's fine with me.

The great task of life is to learn the will of the Lord and then do it.

In 'Packing for Mars,' I tried to convey the importance of getting young people interested in science.

Nothing lasts forever, not even the best machines. And everything can be reused. - Hephaestus