Both religions and musicals work best with energetic and committed believers. Cynicism or detachment would have destroyed the magic - something true of religion, too.

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.

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

Basically, I wasn't properly socialized, so it made sense to do physics.

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

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

Speculation and the exploration of ideas beyond what we know with certainty are what lead to progress.

Sometimes models are surprisingly smart.

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

I did not set out to explain the extinction of the dinosaurs. I'm a particle physicist, and I was actually thinking about dark matter along with some collaborators.

Science is a combination of theory and experiment and the two together are how you make progress.

Revolution? Really, Ono! The communists want a revolution. We want nothing of the sort. Quite the opposite, in fact. We wish for a restoration.

To tell you the truth, I dislike anything that is in fashion.

We both have a lot of growing-up to do... A lot of the world to see & figure out on our own." -- Leo

I'm not sure Americans are hesitant to do this again - to fight another war, because it looked to them like a courageous and terrific endeavor.

Doubt always hovers nearby, but I take photographs the way a musician hums. Looking is like breathing. So when luck turns my way and offers me a good picture, joy is surely nigh.

I never really want to repeat myself, obviously, but even if I do, it's because it is a choice.

I have been very lucky to work in so many new ballets, but that is what a dancer's work is.

Relax...90% of haters are begging for love. 10% just want a little attention

I try to be as honest about what I see and to speak rather than be silent, especially if it means I can save lives, or serve humanity.

There should be a class on apartheid. There should be a class on why people are hungry, but there are not. There are classes on...gym. Physical Education.