Mrs. March knew that experience was an excellent teacher, and when it was possible she left her children to learn alone the lessons which she would gladly have made easier, if they had not objected to taking advice as much as they did salts and senna.

自然为万物安排了合适的时间。

The only real knowledge is self-knowledge.

下一场农业革命将是隐形的——它发生在实验室里、数据云端，最重要的是发生在我们思维方式中。

从失败中学到的比从胜利中学到的更多。

经济学中最重要的是理解个人和企业的行为。