写作的行为是一种自由的行为。
A mathematician's work is never truly finished; there is always more to explore.
国家是人类社会中最重要的机构,其强弱是社会成败的关键决定因素。
没有人是有极限的。
没有重要和显著的艺术形式;只有艺术,而且少得可怜。
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'