你能成為的最有力的東西就是你自己。
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
There are only molecules. Everything else is sociology.
理論的任務(wù)不僅是了解自然是什么以及它是如何運(yùn)作的,而且要盡可能接近理解為什么自然是這樣的而不是其他樣子的不可達(dá)到的目標(biāo)。