After decades of hauling telescopes around in the back of vans and going up to high altitude locations and so forth, I did finally build an observatory, here on Sonoma mountain.

What we fear doing most is usually what we most need to do.

If you don't have time, the truth is, you don't have priorities. Think harder; don't work harder.

It isn't enough to think outside the box. Thinking is passive. Get used to acting outside the box.

The best way to counter-attack a hater is to make it blatantly obvious that their attack has had no impact on you.

The way we measure productivity is flawed. People checking their BlackBerry over dinner is not the measure of productivity.

I'll repeat something you might consider tattooing on your forehead: What we fear doing most is usually what we most need to do.

That's precisely the question everyone should be asking-why the hell not? - Why not you, why not now.

Money doesn't change you; it reveals who you are when you no longer have to be nice.

Luxury, to me, is not owning a lot of stuff. Luxury, to me, is feeling unrushed.

Slow down and remember this: Most things make no difference. Being busy is a form of mental laziness-lazy thinking and indiscriminate action.

Memory is a wilful dog. It won't be summoned or dismissed but it cannot survive without you. It can sustain you or feed on you. It visits when it is hungry, not when you are.

My perfect first date? Maybe a concert or a football game. That would be my ideal first date, but would the girl like it? I dont know.

Touch my children and I will eat your hands off your freakin arms.

What is the ape to man? A laughing-stock or a painful embarrassment. And just that shall man be for the superman: a laughing-stock or a painful embarrassment.

Creative thinking will improve as we relate the new fact to the old and all facts to each other.

I believe we're going to find that respect and affection are essential to all relationships working and contempt destroys them.

Playing against better competition makes you better and more focused, so you can do what you have to, to win.

It's one of the things that looks good written down, but the reality is that you think about the pieces you're doing and try to bear in mind everyone in the audience.

Universities won't survive. The future is outside the traditional campus, outside the traditional classroom. Distance learning is coming on fast.