and yet at the end there's just one number which can be right or wrong.

最终只有一个正确或者错误的数字
And so when I was a freshman here at Yale

因此当我是个耶鲁新生的时候
my roommate who was a classics major said that

我的古典文学专业的舍友说
his subject was much harder than mine that was math

他的专业比我学数学要难很多
because all I had to do was be right.

因为我需要做的就是做正确的事情
And so I'm going to take advantage of that simplicity

因此我就要利用这个简单性
and every problem is going to have a number that you're supposed to find.

每个问题都会归结为一个你要寻找的数字
And so it's not complicated mathematics,

尽管不涉及非常复杂的数学
but it involves lots of numbers.

但是它涉及很多的数字
And so if you hate numbers you shouldn't take this course.

如果你讨厌数字你不应该选这门课
And as I said before, there have always been people who,

就像我曾经说过
you know, you can be very smart.

也许和很多人一样你非常聪明