雇佣许多人去做一件复杂的事，往往是错误的。数量永远不如质量 (三个臭皮匠不一定比一个诸葛亮强)，人多降低效率，增加成本。

追求数学知识是一段永无止境的旅程。

The essence of philosophy is not the possession of truth but the search for truth.

Cryptography is about communication in the presence of adversaries.

如果你是用信用卡租车，不要购买额外的保险。