The study of language is ultimately the study of the human mind.
我坚信一个理论,那就是只有当你在享受乐趣时才能发挥出最佳水平。
四元数的诞生,如同几何、代数、形而上学和诗歌这四位父母的奇特后代。
"The only thing that is constant is change."