故时年岁善,则民仁且良;时年岁恶,则民吝且恶。
所以,在收成好的年头,百姓就仁义善良;遇到荒年,那么百姓也会吝啬而凶恶。
Being powerful is like being a lady. If you have to tell people you are, you aren't.
可持续性不是一种选择;而是我们对后代的责任。
I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.