人将会死，国家会建立亦会倾颓；但思想将永远长存。思想可承受的远大过死亡。

You don't need a weatherman to know which way the wind blows.

Science is not about finding absolute truths, but about constantly pushing the boundaries of our understanding.

解释：婚姻是难以预测的事情，既可能收获幸福，也可能招来祸患。婚姻事关人生的祸福，是家庭兴旺或衰败的根源，是人生十分重大的事情，好的婚姻给人以幸福，坏的婚姻给人以祸患。

The most dangerous thought you can have as a creative person is to think you know what you're doing.

激发生命，让生命自由发展，这是教育者的首要任务。