遗传学是活人的考古学。

You may not be able to alter reality, but you can alter your attitude towards it.

优良的马匹不好驾驭，但是可以载重物跑得很远；有才能的人不好驱使，但是可以使国君更加受人尊敬。

Marxian Socialism must always remain a portent to the historians of Opinion — how a doctrine so illogical and so dull can have exercised so powerful and enduring an influence over the minds of men， and， through them， the events of history.

若是有足够的空间，婴儿会爬行去抓取东西。