If we do discover a complete theory, it should in time be understandable in broad principle by everyone, not just a few scientists. Then we shall all, philosophers, scientists, and just ordinary people, be able to take part in the discussion of the question of why it is that we and the universe exist. If we find the answer to that, it would be the ultimate triumph of human reason - for then we would know the mind of God.

Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a univer…

When I gave a lecture in Japan, I was asked not to mention the possible re-collapse of the universe, because it might affect the stock market. However, I can r…

Maybe that is our mistake: maybe there are no particle positions and velocities, but only waves. It is just that we try to fit the waves to our preconceived id…

All truths are easy to understand once they are discovered; the point is to discover them.

I do not want to found anything on the incomprehensible. I want to know whether I can live with what I know and with that alone.

'There are a few of us -madmen all! -who are in love with knowing, who would sell the last shirt from our backs for one small truth, one tiny star-fire to ligh…