I'm a firm believer that in order to be successful, you have to be willing to make sacrifices.

一本儿童书是他们参观的第一个艺术画廊。

The idea that we will make a society where literally everybody is graded, the good at the top, bad at the bottom, exactly done as it should be, is impossible. There are simply too many random factors: accidents, accidents of birth, accidents of things dropping on people's heads, illnesses, etc. We will never get to grade them, never get to grade people as they should.