You have to believe in yourself when no one else does.

人应当怀有一颗善心，我觉得这个至关重要。

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.

地球只是宇宙中的一个波点。