But the old man thought only of his steering and his great tiredness. He had gone out too far and the sharks had beaten him. He knew they would leave him nothing but the stripped skeleton of his great catch.

Try to learn something about everything and everything about something.  

艺术的功能是使不可见的东西变得可见。

气候系统异常复杂，我们对它的理解仍在不断发展。