If we do discover a complete theory, it should be in time understandable in broad principle by everyone. Then we shall all, philosophers, scientists, and just ordinary people be able to take part in the discussion of why we and the universe exist.

There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win because it works.

The thing about smart people is that they seem like crazy people to dumb people.

The most erroneous stories are those we think we know best - and therefore never scrutinize or question.

The human mind delights in finding pattern—so much so that we often mistake coincidence or forced analogy for profound meaning. No other habit of thought lies so deeply within the soul of a small creature trying to make sense of a complex world not constructed for it.

People talk about human intelligence as the greatest adaptation in the history of the planet. It is an amazing and marvelous thing, but in evolutionary terms, it is as likely to do us in as to help us along.

We simply assume that the way we see things is the way they really are or the way they should be. And our attitudes and behaviors grow out of these assumptions.

Trust is the glue of life. It's the most essential ingredient in effective communication. It's the foundational principle that holds all relationships.

Most people have no concept of how an automatic transmission works, yet they know how to drive a car. You don't have to study physics to understand the laws of motion to drive a car. You don't have to understand any of this stuff to use Macintosh.

I'm an optimist in the sense that I believe humans are noble and honorable, and some of them are really smart. I have a very optimistic view of individuals.

We're going to be able to ask our computers to monitor things for us, and when certain conditions happen, are triggered, the computers will take certain actions and inform us after the fact.

Don't let the noice of others opinions drown out your inner voice.