The universe is incredibly wondrous, incredibly beautiful, and it fills me with a sense that there is some underlying explanation that we have yet to fully understand. If someone wants to place the word 'God' on those collections of words, it's OK with me.

Science is the process that takes us from confusion to understanding.

Over the centuries, monumental upheavals in science have emerged time and again from following the leads set out by mathematics.

My best teachers were not the ones who knew all the answers, but those who were deeply excited by questions they couldn't answer.

When you know the answer you want, it is often all too easy to figure out a way of getting it.

There may be many Big Bangs that happened at various and far-flung locations, each creating its own swelling, spatial expanse, each creating a universe - our universe being the result of only one of those Big Bangs.

When you drive your car, E = mc2 is at work. As the engine burns gasoline to produce energy in the form of motion, it does so by converting some of the gasoline's mass into energy, in accord with Einstein's formula.