用秤称一称,才能知道轻重;用尺量一量,才能知道长短。
当没有人相信你时,你必须相信自己。
如果你能勇敢地说“再见”,那么生命一定会回报你一个新的“开始”。
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。
No pain, no gain. That's my life motto.
"The thing about smart people is that they seem like crazy people to dumb people."