Civilization as it is known today could not have evolved, nor can it survive, without an adequate food supply.
物理学的未来取决于我们操纵比当前能测量的更快过程的能力。
爱改变一切。
There is a time for daring,and there is a time for caution, and a wise man understanding which is called for
The land remembers what we have forgotten.
The first lesson reading teaches is how to be alone.