经验是一所好学校,但学费很高。
可持续发展不是选择,而是对后代的责任。
预测未来的最好方法就是创造它。
We are all potential fossils still carrying within us the traces of our former selves.
一个群体的性格和命运,往往由其最低劣的成员决定。
"I’m a normal guy who just happens to play tennis well."