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

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.

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.

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.

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.

If you're a ghost, " he said, "we mean you no disrespect. And if you're not a ghost, tell me who you are-or you soon will be one

The future is always here in the past

"Some persons hold," he pursued, still hesitating, "that there is a wisdom of the Head, and that there is a wisdom of the Heart..."

My home is humble and unattractive to strangers, but to me it contains what I shall find nowhere else in the world - the ... affection which brothers and sisters feel for each other.

Well, with all the experiences I have had, I would say the most disappointing ones are the ones when I have not taken enough.

Nothing begins, and nothing ends, That is not paid with moan; For we are born in others pain And perish in our own.

Africa is one continent, one people and one nation

In meditation we research the field without time and space and activity, and yet produce a useful effect while conducting the research.

If anyone said to me 'invent a new monster so we can sell more toys', I'd kick them out of my office.

Why don't you make a contibution to my sanity, and do the one thing you never seem to be able to do... SHUT UP!!!