衣食是人们活着的时候所需要的利益,尚且要有一定的节制;埋葬是人们死后所需要的利益,为什么就单单在这里没有节制呢? 
I define nothing. Not beauty, not patriotism. I take each as it comes, and I leave it as it goes.
To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.