Similar to computer technology in the '60s, 3-D printing is a universal technology that has the potential to revolutionize our life by enabling individuals to design and manufacture things.

When it costs you the same amount of manufacturing effort to make advanced robotic parts as it does to manufacture a paperweight, that really changes things in a profound way.

Restrictions are difficult to enforce in a world where anybody can make anything.

If you gave kids peas that didn't look like peas and said they were a space shuttle, they're much more apt to eat them because it's now playtime.

Basically, any material you can squeeze, melt or generate into a powder, you can print.

We tend to think of science as finding equations, like E=MC2, that are simple and elegant. But maybe some theories are complicated, and we can only find the simple ones.

A hexagonal piece of cheese is a lot better than a square piece of cheese.

If you're talking 100 years, there's no doubt in my mind that all jobs will be gone, including creative ones. And 100 years is not far in the future - some of our children will be alive in 100 years.

I think, once recipes become digital, pirating a digital recipe and all the questions that you have with music and so forth will become pertinent to food as well.

Was that all it took to be brave? Knowing that someone believed in you?

We can show what we hide but we can't hide what we show.

Don’t let your principles sit idle on a plaque. Bring them to life.

Perhaps you have seen me. I know well, my purpose was merely that of a symbol, 'equals', 'times'... ; but what is said, for all that, was identity-less: a kind of live geometry.

I enjoy the press. I understand their business.

Once beyond the self, however, holiness is no longer possible, because now, there is nothing left to give and no-one left to do the giving.

Black people have been working hard for decades.

You feel mighty free and easy and comfortable on a raft.

We ignore outlooks and forecasts... we're lousy at it and we admit it ... everyone else is lousy too, but most people won't admit it.

It is the duty of the government to guarantee maximum security, and this is not an easy task.