尽量不要成为房间里最聪明的人。如果你是，我建议你邀请更聪明的人或找一个不同的房间。

How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving and tolerant of the weak and strong. Because someday in your life you will have been all of these.

教育儿童，就不需要惩罚成年人。

我们必须衡量重要的东西 - 不仅是财务回报，还包括社会和环境影响。