The greatest happiness of a teacher is to send groups of children to the other shore of their ideals.
我爱人类作为我的同胞；但他的权杖，无论是真实的还是篡夺的，除非个人的理性要求我致敬，否则不会延伸到我。
【解释】浓烈、肥腻、辛辣的刺激不是本真滋味，平淡自然才是真实的生活；才智超凡的人，不是完美的人，真正的完人，看起来平凡无奇。
The sea gives us abundance, but it demands respect in return.
The greatest prosperity can exist only as the result of the greatest possible productivity of the men and machines in the establishment.
In mathematics, as in life, the most elegant solutions often arise from a deep understanding of the problem.