Fools are the ones who cannot change their minds.

最好的水果来自最好的实践；绝不能在标准上妥协。

The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.

大脑就像肌肉一样，当我们使用时会感到愉悦。理解是充满欢乐的。