I'm so old I can remember when the Dead Sea was only sick.

We hope to explain the entire universe in a single, simple formula that you can wear on your T-shirt.

Those who do not stop asking silly questions become scientists.

A theoretical physicist can spend his entire lifetime missing the intellectual challenge of experimental work, experiencing none of the thrills and dangers - the overhead crane with its ten-ton load, the flashing skull and crossbones and danger, radioactivity signs. A theorist's only real hazard is stabbing himself with a pencil while attacking a bug that crawls out of his calculations.

Experimenters don’t come in late—they never went home.

I started out as a molecules kid. In high school and early college I loved chemistry, but I gradually shifted toward physics, which seemed cleaner - odorless, in fact.

Physics isn't a religion. If it were, we'd have a much easier time raising money.