What good is the warmth of summer, without the cold of winter to give it sweetness.

You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.

 One foul sentence does more hurt than many foul examples. For these do but corrupt the stream；the other corrupt the fountain.

今天投资研究，否则明天将面临短缺。

我喜欢把建筑想象成生活的框架。