人们并不懒惰。他们只是有无力的目标——也就是说，那些不能激励他们的目标。

悔恨自己的错误，而且力求不再重蹈覆辙，这才是真正的悔悟。

The important thing in life is to have a great aim，and the determination to attain it.

Natural experiments can provide valuable insights into economic questions.

I think the most powerful and enduring brands are built from the heart. They are real and sustainable. They are not manufactured by a marketing department.

Only by mastering core technologies can we control our own destiny.