The best way to learn mathematics is to do mathematics.
"Language is both a weapon and a wound; it depends on who holds the pen."
可持续性必须有利可图,否则它就无法持续。
小说是伟大的现代史诗,因为它可以容纳一切:诗歌、历史、哲学、政治。
"A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world."