幸福的秘诀是：尽量扩大你的兴趣，对感兴趣的人和物尽可能友善。
The secret of happiness is to expand your interests as much as possible and to be as kind as possible to the people and things that interest you.
The true power of mathematics is not in its complexity, but in its simplicity and elegance.
"谁如命运似的催着我向前走呢?""那是我自己，在身背后大跨步走着。"
I want to run a good race and inspire many people.
文化核心的概念对于理解社会如何组织其生存活动至关重要。
The meaning of earthly existence lies not, as we have grown used to thinking, in prospering but in the development of the soul.
The relation between what we see and what we know is never settled.