Physicists have yet to understand why the Higgs boson's mass is what it is.

Travel at faster than the speed of light certainly can have dramatic implications that are difficult to understand, such as time travel.

When people try to use religion to address the natural world, science pushes back on it, and religion has to accommodate the results. Beliefs can be permanent, but beliefs can also be flexible. Personally, if I find out my belief is wrong, I change my mind. I think that's a good way to live.

Although I was first drawn to math and science by the certainty they promised, today I find the unanswered questions and the unexpected connections at least as attractive.

An almost indispensable skill for any creative person is the ability to pose the right questions. Creative people identify promising, exciting, and, most important, accessible routes to progress - and eventually formulate the questions correctly.

One of the nice things about math and science is it’s obvious, you get the answer or you don’t get the answer.

When it comes to the world around us, is there any choice but to explore?