当今的科学家们思考得很深，而不是很清晰。一个人必须头脑清醒才能清晰地思考，但一个人可以思考得很深却相当疯狂。

全人类...都是平等和独立的，没有人应该侵犯他人的生命、健康、自由或财产。

Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.

可持续发展不再是选择，而是任何希望长期繁荣的企业的必需品。

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.