Men make their own history, but they do not make it as they please; they do not make it under self-selected circumstances, but under circumstances existing already, given and transmitted from the past.
人们自己创造自己的历史,但是他们并不是随心所欲地创造,并不是在他们自己选定的条件下创造,而是在直接碰到的、既定的、从过去承继下来的条件下创造。
疼痛不仅仅是一种感觉;它是一种复杂的生物反应,告诉我们某些地方出了问题。
学习是通过修改符号结构来提高性能的过程。
We try to buy stocks that are selling below their book value.