我最大的对手就是我自己。
可持续性不仅仅是一种趋势，更是我们对下一代的责任。
求和者就是希望鳄鱼最后一个吃自己的人。
上帝会原谅我；这是他的工作。
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.