概率论作为一门数学学科，可以而且应该像几何和代数一样从公理出发进行发展。

讲故事的力量在于它可以改变世界，一次一个心灵。

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

当信息不对称或激励不一致时，市场就会失灵。