If you need statistics to find out what you are doing, you probably shouldn’t be doing it.
如果你需要统计才能知道你在做什么,那你可能不应该做这件事。
解析:其实说的是:不着相,不动心。
Don't give in to your fears... If you do, you won't be able to talk to your heart.
真正的挑战不仅仅是收集数据,而是理解这些数据的意义。
成功是最好的报复。