成功的衡量标准不仅仅是产量，还有改善的生活。
学得越多，越明白自己知之甚少。
The most successful companies don't just sell products; they create meaningful experiences for their customers.
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
