A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...

可持续捕捞不是一种选择——如果我们想保护我们的产业和海洋，这是唯一的前进道路。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

如果易用性是唯一的要求，那么每个人都会还在骑三轮车。

他在主张杠杆原理时所说。

反思本身不是罪恶。罪恶在于反思的状态，以及反思带来的静止。

心理过程之所以存在，是因为它们服务于生命的延续。