The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。
友谊是时间投资的问题。
No matter how far you travel, you can never get away from yourself.
A financial crisis is often a self-fulfilling prophecy driven by panic.