Never stop learning—the moment you think you know everything is the moment you start falling behind.
永远不要停止学习——当你认为自己什么都懂的那一刻,就是你开始落后的时刻。
The greatest photographers are those who have learned to see the world as it is, and then to see it as it might be.
《与邹鲁的谈话》(1919年6月)
生活中最大的幸福是坚信有人爱我们。