Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
建立在规则上的自由,才是真正的自由!
我不让过去拖累我,我让它教导我。
我们都是这片土地上的流浪者,心中充满惊奇,灵魂深处藏着梦想。