I went to the woods because I wished to live deliberately. I wanted to live deep and suck out all the marrow of life, to put to rout all that was not life.
全球性挑戰(zhàn)需要具有全球視角的本地解決方案。
擺脫誘惑的唯一方法就是屈服于它。
進步主要取決于人類本性中最強大而不僅僅是最高尚的力量能在多大程度上被用來增加社會福祉。