I'd say many features of string theory don't mesh with what we observe in everyday life.

I like 'The Simpsons' quite a lot. I love the irreverent character of the whole show. It's great.

I believe the process of going from confusion to understanding is a precious, even emotional, experience that can be the foundation of self-confidence.

There may be many Big Bangs that happened at various and far-flung locations, each creating its own swelling, spatial expanse, each creating a universe - our universe being the result of only one of those Big Bangs.

Relativity challenges your basic intuitions that you've built up from everyday experience. It says your experience of time is not what you think it is, that time is malleable. Your experience of space is not what you think it is; it can stretch and shrink.

The bottom line is that time travel is allowed by the laws of physics.

Physicists have come to realize that mathematics, when used with sufficient care, is a proven pathway to truth.