All mass is interaction.

The only way to deep happiness is to do something you love to the best of your ability

That is the logical tight-rope on which we have to walk if we wish to interpret nature.

Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.

We decided that 'trivial' means 'proved'. So we joked with the mathematicians: We have a new theorem- that mathematicians can prove only trivial theorems, because every theorem that's proved is trivial.

Science is the organized skepticism in the reliability of expert opinion

When the problem [quantum chromodynamics] is finally solved, it will all be by imagination. Then there will be some big thing about the great way it was done. But it's simple -it will all be by imagination, and persistence.