People don't buy what you do; they buy why you do it.
人们不买你做什么，他们买你为什么做。
You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.
激发生命，让生命自由发展，这是教育者的首要任务。
在科学中，荣誉归于说服世界的人，而不是第一个想到这个想法的人。