"Memory is a fragile thing, easily distorted by time and emotion."

The most powerful tool in business is a simple idea executed well.

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

避免痛苦的唯一方法就是不要有足够的闲暇去思考你是否快乐。

The beauty of mathematics lies not only in its ability to describe the world but also in its power to reveal the hidden structures that govern it.