有些人特别善于了解自己的知识极限，因为他们必须这样做。
Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.
Every song I write is like my child. I nurture it, I love it, I send it out into the world and hope it finds its way.
如果你收养了一只饥饿可怜的狗，并且让它舒适顺利，它将不会咬你，这便是一个人与一只狗之间最主要的差别。
科技领域最危险的话是"我们一直都是这么做的"。