I am so old, I entered engineering school with a slide rule. And I left engineering school with a calculator. I can still use a slide rule but it's not a skill you especially need anymore.

Everyone you will ever meet knows something you don't.

We are just a speck, on a speck, orbiting a speck, in the corner of a speck, in the middle of nowhere.

To leave the world better than you found it, sometimes you have to pick up other people's trash.

Science is the best idea humans have ever had. The more people who embrace that idea, the better.

You and I are made of stardust. We are the stuff of exploded stars. We are therefore, at least 1 way that the Universe knows itself. That, to me, is astonishing.

There's nothing I believe in more strongly than getting young people interested in science and engineering, for a better tomorrow, for all humankind.

I speak with dogs frequently. They don't really talk, but I feel they're communicating.

The natural world is a package deal; you don't get to select which facts you like and which you don't.

The more you find out about the world, the more opportunities there are to laugh at it.

Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

When the heart is down and the soul is heavy, the eyes can only speak the language of tears

I finally understand. Cancer is not a gypsy curse. It's a huge smashing wave. It catches you and drags you out. And anybody can be spit back up, and anybody can drown. -The Lucky Place

I will sit in the car on the way to a meeting and just smile. I really mean that. It helps you get through life. If you have nothing to say, smile. Look up at the sky and smile. Just be grateful.

Sometimes it takes an outsider, someone with fresh eyes to see the truth.

It's my mission to tell the Australians from abroad in my work that Australia is a wonderful place.

There are billions of people out there walking around and they don't meditate. You can tell. They are not having a good time with their lives. People are not happy.

But once that string gets cut, kid, you can't uncut it. Do you get what I'm saying?

If women who were free to speak did not speak, we might as well say to the entire world, 'No matter what you do to women, no one cares, just go right ahead.'

Each moment of the year has its own beauty.

I would have to say that my style is simple, with a splash of swagger and a little sartorial as well.