There is real confusion about what it means to be right and wrong - the difference between what spiritual beliefs are and what science is.

I think it's a problem that people are considered immoral if they're not religious. That's just not true. If you do something for a religious reason, you do it because you'll be rewarded in an afterlife or in this world. That's not quite as good as something you do for purely generous reasons.

The universe has its secrets. Extra dimensions of space might be one of them. If so, the universe has been hiding those dimensions, protecting them, keeping them coyly under wraps. From a casual glance, you would never suspect a thing.

Sometimes models are surprisingly smart.

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

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.

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