Combinatorics is like the art of counting without actually counting.
组合数学就像是不用实际计数的计数艺术。
Freedom is the right to tell people what they do not want to hear.
心灵自有其天地,能把天堂变地狱,把地狱变天堂。
"Literature is the mirror of society, reflecting its virtues and vices with unflinching honesty."
“魔鬼才不存在!要我说,就算真有...存在的也是凡人之恶。渡劫。”