Science blogs bore me. When everyone is an expert, no one is an expert.

There is so much to groak; So little to groak from.

Einstein, in the special theory of relativity, proved that different observers, in different states of motion, see different realities.

A lot of my research time is spent daydreaming - telling an imaginary admiring audience of laymen how to understand some difficult scientific idea.

You have to say now that space is something. Space can vibrate, space can fluctuate, space can be quantum mechanical, but what the devil is it?

Unforeseen surprises are the rule in science, not the exception. Remember: Stuff happens.

[Richard Feynman] truly believed that if you couldn't explain something simply, you didn't understand it.

I was from a poor Jewish family in the South Bronx. My father was a plumber, but when I was 16, he got sick and I had to take over. Being a plumber in the South Bronx wasn't fun.

We often say that the earth is a sphere, but to be precise, the term sphere refers only to the surface. The correct mathematical term for the solid earth is a ball.

I was going to engineering school but fell in love with physics.

At some point we have to give up and say that's just the way it is. Or, not give up and push on.

Except you cannot outrun insanity, anymore than you can outrun your own shadow.

You follow words of the toga (language of the cultivated class). [Lat., Verba togae sequeris.]

Promiscuity is the death of love.

Toy Story 1, 2, and 3, to us, are some of the greatest films ever made, and each is better than the one before it. But if you go to Toy Story 6, they all end up decomposing in a trash heap somewhere.

We know well and we know chronically ill, but there is a whole bunch of gray in between where I think we can heal people before they become chronically sick. I believe our thoughts make us sick.

Everything is a hero: A lighthouse which gives light to us; weeds that provide shelter to little insects; a water drop which quenches a thirsty ant! Everything that helps us to live is a hero!

Freedom is when you really get your own powers which are within you.

What is most important for Europe is economic growth and jobs, security at home and safety in the world.

Communism is a society where each one works according to his abilities and gets according to his needs.

What's the point of getting killed if you've got the wrong exposure?