笨拙愚鲁，自堵去路?。

Who clumsily blocks his own way?

狡诈者轻鄙学问，愚鲁者羡慕学问，聪明者则运用学问。

Crafty men contemn studies, simple men admire them, and wise men use them;

也许我是因为太过愚鲁，先前不晓得是不可能的，所以最后竟然一举成功。

I think I was too stupid to know that it was impossible, so I did it.