The hardest thing about comedy is making it look easy.

Small improvements, consistently applied, lead to massive change over time.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

如果我们能意识到武力永远无法赢得合作与爱，这个世界就可以避免无数的紧张关系，不用做那么多的无用功。