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

How can a speck of a universe be physically identical to the great expanse we view in the heavens above?

Most scientists like to operate in the context of economy. If you don't need an explanatory principle, don't invoke it.

For me it's been very exciting to contribute to the public's understanding of how rich and wondrous science is.

The boldness of asking deep questions may require unforeseen flexibility if we are to accept the answers.

Sometimes nature guards her secrets with the unbreakable grip of physical law. Sometimes the true nature of reality beckons from just beyond the horizon.

I think it's too fast to say that all sci-fi ultimately winds up having some place in science. On the other hand, imaginative minds working outside of science as storytellers certainly have come upon ideas that, with the passing decades, have either materialized of come close to materializing.