我曾听说过这样一个说法：快乐就是拥有健康和短暂的记忆。我多么希望这是我发明的，因为说得太对了。

The multiverse is not a theory, it is a consequence of our best theories.

Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.