人的本能是追逐从他身边飞走的东西，却逃避追逐他的东西。

英文短句：

The instinct of a man is to pursue everything that flies from him, and to fly from all that pursue him.

中文翻译：

人的本能是追逐从他身边飞走的东西，却逃避追逐他的东西。