Our hypotheses are initially rooted in theoretical consistency and elegance, but...ultimatel y it is experiment not rigid belief that determines what is correct.

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

Creativity is essential to particle physics, cosmology, and to mathematics, and to other fields of science, just as it is to its more widely acknowledged beneficiaries - the arts and humanities.

I'm not creating the universe. I'm creating a model of the universe, which may or may not be true.

You might find it hard to imagine gravity as a weak force, but consider that a small magnet can hold up a paper clip, even though the entire earth is pulling down on it.

It's hubris to think that the way we see things is everything there is.