大家互相钩,互相镶,就是互相残害啊! 
物种之间的边界比我们想象的更具渗透性。
ENIAC是电子计算机发展史上的第一个巨大飞跃。
Once we realize that imperfect understanding is the human condition, there is no shame in being wrong, only in failing to correct our mistakes.
Never stop learning—the moment you do, you fall behind.