I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That's how I've gotten to where I am.

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

每一个伟大的数学理论最初都是异端邪说，最终却成了教条。

Life is what happens when you’re busy making other plans.

幸福就是把某人抱在怀里，知道你拥有了整个世界。

领导力意味着今天做出艰难的决定，这些决定将使子孙后代受益。