伟大的敌人是优秀。

Be thankful for what you have; you’ll end up having more. If you concentrate on what you don’t have, you will never, ever have enough.

无力感会腐蚀。绝对的无力感会绝对地腐蚀。

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

预测未来的最好方法就是创造未来。

The habit of reading is the only enjoyment in which there is no alloy; it lasts when all other pleasures fade.