世界不是一个令人愉快的地方,但它是我们唯一拥有的。
在社交领域,用户增长不是目标,而是用户满意度的自然结果。
The only way to avoid being miserable is not to have enough leisure to wonder whether you are happy or not.
过去总是紧张的,而未来是完美的。
You don't have to have the ability that quantum mechanics requires.You just have to know a few simple things and really know them.