It is possible to build a virtual-reality generator whose repertoire includes every possible environment.

Quantum computation is a distinctively new way of harnessing nature. It will be the first technology that allows useful tasks to be performed in collaboration between parallel universes.

Feeling insignificant because the universe is large has exactly the same logic as feeling inadequate for not being a cow.

Our best theories are not only truer than common sense, they make more sense than common sense...

Every problem that is interesting is also soluble.

Base metals can be transmuted into gold by stars, and by intelligent beings who understand the processes that power stars, but by nothing else in the universe.

The whole [scientific] process resembles biological evolution. A problem is like an ecological niche, and a theory is like a gene or a species which is being tested for viability in that niche.

No precautions, and no precautionary principle, can avoid problems that we do not yet foresee. We need a stance of problem-fixing, not just problem-avoidance.

The overwhelming majority of theories are rejected because they contain bad explanations, not because they fail experimental tests.

Humans may or may not have cosmic significance, and if they do, it will be by hitching a ride on the objective centrality of knowledge in the cosmic scheme of things.

If we can't program it, we can't understand it.

People tend to think of Brisbane as a sleepy, sub-topical place. I don't know. It's like Baltimore or something. I don't know. You would hear the family dramas going on behind closed doors.

Decorators should always remember that letting a client see too many beautiful things is a pitfall.

Sometimes being away, on location, I feel like I'm away for much of my own life. I want to be better at staying connected.

When little things are so important, it's because there aren't any big ones.

I feel like I gave my son to this country in an illegal and immoral war. I'll never get him back.

If you go to church, and like the singing better than the preaching, that's not orthodox.

When I got out of high school, I thought, I'll take a year or two off and play the clubs, get this out of my system, and then go to med school.

A library is an adjustable wrench for opening the head.

Don't be afraid to take that leap into the unknown.

Our behavior toward others is often a reflection of our treatment of ourselves.