The right answer is seldom as important as the right question.

If you have a wormhole, then you can turn them into time machines for going backward in time.

Closed timelike curve is the jargon for time travel. It means you go out, come back and meet yourself in the past.

When gravitational waves reach the earth, the waves stretch and squeeze space. This is a tiny stretch and squeeze. Far too small to detect with ordinary human senses.

Whether you can go back in time is held in the grip of the law of quantum gravity. We are several decades away from a definitive understanding, 20 or 30 years, but it could be sooner than that.

'Closed timelike curve' is the jargon for time travel. It means you go out, come back and meet yourself in the past.

Heralds don't sing about men who lived in orthodoxy or played it safe, they sing about men who lived an uncertain future and took enough risks to make your head spin.

Management is doing things right leadership is doing the right things.

No single, individual moment is in and of itself unendurable.

Adversity is a severe instructor, set over us by one who knows us better than we do ourselves.

The only thing that prisons demonstrably cure is heterosexuality.

I think opera music is very conservative, and Rock and Roll music is conservative as well, and that's why I'm trying to make a bridge between these two elements.

Silence 'tis awe decrees.

You have to make change.

The 12-step chocolate program: NEVER BE MORE THAN 12 STEPS AWAY FROM CHOCOLATE!

I never did a single wise thing in the whole course of my existence, although I have written many which have been thought so.