社会无法发展出有效、低成本的合同执行机制，是历史上停滞和当代第三世界欠发达的最重要根源。

Gratitude unlocks the fullness of life. It turns what we have into enough, and more. It turns denial into acceptance, chaos to order, confusion to clarity. It can turn a meal into a feast, a house into a home, a stranger into a friend.

I'm not a perfectionist, but I like to feel that things are done well. More important than that, I feel an endless need to learn, to improve, to evolve.

真正的领导力意味着今天做出艰难的决定，这些决定将使后代受益。

最好的经济研究往往是跨学科的。