It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

书籍是反映我们梦想的镜子。

船舶自动转向的引入是一个相当困难的问题，但解决方案在于PID控制器的应用。

释义：正直仁信，原则处世，宏大包容，依此处世，不用学习世俗的那一套也不会不利。此句强调自然的品质，反对虚伪骄饰。