挽救失败的事，就好像驾驭悬崖边的马，不能轻拍一鞭。对于即将成功的事，就好像拉船上沙滩，不能少停一桨。

Efficiency in processing must never compromise animal welfare or food safety standards.

The most profound ideas in mathematics often arise from the simplest observations.

 知识就是力量。