人心不足蛇吞象，世事到头螳捕蝉。
译文：人贪心不足，就像小蛇想吞掉大象一样，世间的事情就像螳螂捕蝉黄雀在后一般。赏析：贪得无厌只会祸患无穷，人生最大的祸事就是不懂得满足。处处算计别人，事事喜欢占人便宜，最后都会被别人算计。
检验假设有效性的唯一相关标准是其预测与经验的比较。
To travel is to discover that everyone is wrong about other countries.
Small changes can lead to big impacts when everyone commits.
自由的土地上才能开出最美的花朵。
If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.
Every fish returned to the sea today is an investment in tomorrow's catch.
不要把事实告诉不值得的人。