创新不仅仅是创造新事物；它还包括改进现有事物，让客户的生活更美好。

There's a real correlation between a society that tells people that they can do anything, and the existence of low self-esteem. So that's another way in which something quite positive can have a nasty kickback. There is another reason why we might be feeling more anxious --about our careers, about our status in the world today, than ever before. And it's, again, linked to something nice. And that nice thing is called meritocracy.

Science is the light that illuminates the darkness of ignorance.

The only meaningful way to study learning is through objective measurement.

There is no love that’s so right as admiration-based love, and that love should include the instructive dead. Somehow, I got that idea and I lived with it all my life and it’s been very very useful to me.