大陆并非永久固定，而是处于不断的变化和运动中。

The resources we extract must be matched by the value we create for society.

"To write is to remember, but to remember is also to forget."

亲属关系的研究，即我们所谓的人类社会的社会解剖学的研究。

The past is hidden somewhere outside the realm, beyond the reach of intellect, in some material object (in the sensation which that material object will give us) which we do not suspect.