抽象的目的不是含糊不清，而是创建一个新的语义层次，在这个层次上可以绝对精确。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
Education alone is not enough to lift people out of poverty; we need to address the broader system.
这个世界大多时候是对的。这个世界大多时候是错的。
让来的来，让去的去。找出剩下的是什么。
People believe in God because the world is very complicated and they think it is very unlikely that anything as complicated as a flying squirrel or the human eye or a brain could happen by chance.