问题的数学表述通常比其解决方案更重要,后者可能仅仅是数学或实验技巧的问题。
知识最大的敌人不是无知,而是以为自己知道。
在面向听众讲话时,将目光固定在几个人身上比将目光 "扫射 "到整个房间更好。你的眼睛会向别人传达你是否相信自己说的话。
Every man has a right to his own opinion, but no man has a right to be wrong in his facts.
"Words are the most powerful weapons; they can build empires or destroy them."