Quality is not a accident; it is a decision.
The only time I'm happy is when I'm on stage.
过度捕捞是杀鸡取卵,我们必须坚持科学捕捞,给海洋留下休养生息的时间。
如果你担心从自行车上摔下来,你就永远不会骑上去。
He who can, does. He who cannot, teaches.