The only limit to our realization of tomorrow is our doubts of today.
实现明天理想的唯一障碍是今天的疑虑。
The best way to understand something is to try to change it.
"I write to destroy the truth, but I always end up creating it."
对幼儿来说,妈妈的声音是具有特殊意义的参照物。
你越努力,就越幸运。
任何工厂中最危险的化学品不是罐子里的那些,而是自满情绪。
经济历史的研究不仅仅是关于过去;它是关于理解当前不平等的根源。