最重要的是我们对世界产生兴趣，并从我们的同胞中获取快乐。
The most important thing is that we develop an interest in the world and take joy in our fellow human beings.
Theoretically there is a perfect possibility of happiness: believing in the indestructible element within oneself, and not striving towards it.
The best scientists are those who remain students forever.
最好的领导者是那些倾听多于发言，并以诚信行事的人。
人生像一匹马，你不驾驭它，它便驾驭你。