释义：开始时做得好的人确实很多，但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾，难以善始善终。 

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

I'm a person who likes to be nonstandard.

"If you don't change, you become extinct."

I don't care about being famous. I just want to be great.

The truth is a beautiful and terrible thing, and should therefore be treated with great caution.

I don’t believe in an afterlife. This is it. Make the most of it.