The opportunity does not go hand in hand, so when they come, you’d better hold them.

Economic history teaches us that change is possible, but it is rarely easy.

译文：一句话不小心就会招致祸患，一件事不小心就会玷污名节。赏析：口无遮拦的人迟早会给自己带来祸患，行为不检点之人更会玷污自己的名节。我们的一言一行不仅关乎名节，更关乎性命，所以，我们要谨言慎行。

通过经验获得的东西比通过推理获得的东西更真实、更坚实。