"The act of writing is an act of courage, a confrontation with the self."
The true value of a tree is measured in decades, not dollars.
在地球物理学中,我们处理的是物理原理在地球研究中的应用。
Change the way you look at things and the things you look at change.
函数是一种对应规则,通过它当给定任何东西(作为参数)时,可以获得另一个东西(该参数的函数值)。
The most dangerous weapon is not the one that kills, but the one that changes minds.