真正的高贵是优于过去的自己。

最好的建筑来自约束，而不是自由。

每张皮革都有潜力，我们的责任是负责任地发掘它。

Immigration has a much smaller effect on native wages than most people believe.

Keep learning. It's the only way to stay relevant in a fast-changing world.

简单是最终的复杂。