As usual, nature's imagination far surpasses our own, as we have seen from the other theories which are subtle and deep.

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.

Tell your son to stop trying to fill your head with science - for to fill your heart with love is enough!

We need to teach how doubt is not to be feared but welcomed. It's OK to say, "I don't know."

There is no authority who decides what is a good idea.

I'd hate to die twice. It's so boring.

All mass is interaction.