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

Black holes provide theoreticians with an important theoretical laboratory to test ideas. Conditions within a black hole are so extreme, that by analyzing aspects of black holes we see space and time in an exotic environment, one that has shed important, and sometimes perplexing, new light on their fundamental nature.

The idea that there could be other universes out there is really one that stretches the mind in a great way.

Exploring the unknown requires tolerating uncertainty.

I may be a Jewish scientist, but I would be tickled silly if one day I were reincarnated as a Baptist preacher.

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

The pinpoints of starlight we see with the naked eye are photons that have been streaming toward us for a few years or a few thousand.