I don't compete with others. I compete with myself.

人类今天拥有自我毁灭的手段——要么是在完全疯狂的发作中，即在一场大战中，通过短暂的破坏发作，要么是通过对原子技术的粗心处理，通过缓慢的中毒和遗传结构的恶化过程。

数学和计算机科学之间的联系不是单向的；每个领域都丰富了另一个领域。

我们今天所做的事情会以并不总是显而易见的方式影响明天发生的事情。

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

The same principles which at first view lead to skepticism， pursued to a certain point， bring men back to common sense.