The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

真正的领导力意味着与团队并肩工作。

穷人并非不理性；他们和任何人一样理性，但他们在非常不同的约束下行动。

追求数学真理就是追求美、优雅和简洁。

你不必完美。做你自己就好。

Every decision we make about ocean resources today creates ripples that will affect generations to come.

伟大的事情永远不会来自舒适区。