The laws of physics should allow us to arrange things molecule by molecule and even atom by atom, and at some point it was inevitable that we would develop a technology that would let us do this.

One of the things that we can say with confidence is that we will have much lighter, much stronger materials, and this will reduce the cost of air flight, and the cost of rockets.

The first approximation in this future that we're looking at is that everyone will be physically well off. They will have a great abundance in material goods, and I think that will soften some of the conflicts we see now.

Ralph Merkle Quotes