技术成功的真正标准是它如何赋予人们力量，而不仅仅是在基准测试中的表现。
I'm not a role model, I'm a real model.
It's easy to perform for others, but hard to perform for yourself.
The art of teaching consists in large part of the ability to awaken the natural curiosity of young minds and to satisfy it with the nourishment of knowledge.
一个思想的价值在于它对行为的后果。