译文：花开花落已两载，看着盛开的花，想到两年未曾回家，就不免伤心落泪。小船还系在岸边，虽然我不能东归，飘零在外的我，心却长系故园。

奶牛养殖既是一门艺术也是一门科学——尊重两者对于成功至关重要。

长期思考，但在时机成熟时果断行动。

这很简单，你只需拿些东西，对它做点什么，然后再做点别的。

The study of psychology is the study of life's wisdom.

In language， there is no one-to-one correspondence between words and the things they refer to.

The iron rule of nature is: you get what you reward for. If you want ants to come, you put sugar on the floor.