在统计工作中，正确的数学工具必须用于正确的问题，而且工具必须锋利。

You have to be fearless in the pursuit of what sets your soul on fire.

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

社会的力量在于其平衡个人自由与社会凝聚力的能力。