从前有只鸟停留在鲁国都城郊外，鲁君很喜爱它，用牛羊猪三牲俱备的规格来款待它，还奏起韶乐，要使它快乐，鸟儿却黯然神伤，头晕目眩，不敢吃东西，这是用别人供养自己的方法来养鸟。真正养鸟的方法，应该是让它栖息在深林，飞翔在江湖之上，让它吃鳅鱼，自由自在地漫步在山野，那么一块平地就够了。

I'm a very positive person, and I always try to see the best in every situation.

Everything is hard before it is easy. The day before something is a breakthrough， it’s a stupid idea.

你在地球上。对此没有解药。

The difference between good and great is the extra effort.

解释：举出了典故却忘记了祖宗。