Sean M. Carroll Quotes

In contrast to the arbitrarily complicated evolution of a (nonintegrable) classical system, all a quantum state ever does is move in circles.

Even if we don't know the answer, a change of perspective can help us improve the question.

It can't be stressed enough that the multiverse is utterly hypothetical—but that doesn't mean it isn't real.

But sometimes reality chooses not to conform to our preferences.

But the very fact that matter in the cosmos is still moving, rather than at rest, is the single most surprising thing about the universe.