and he went and lived in his old village,

他回到他老家
and he was contemplating this issue,

他一直在想这个事情
because he had already by this time

因为他在这个时候已经
invented the laws of motion,

发现了运动定律
and I think he'd also invented the basic ideas of calculus.

我想他也有了微积分的初步思想
There was some debate about who got there first

对于谁先发明微积分有些争议
but there was no debate

但是之后发生的事情
about what happened next.

没有争议
So Newton said, "Okay, I am going to understand planetary motion."

牛顿说 "好我要弄懂行星运动"
And so are you.

你们也是
So, you guys have been terribly disappointed

你们最近蛮失望的
that after all the work you've put in,

学了这么久