Recycling should be the last resort, not the first solution. Better design comes first.
回收应该是最后手段而非首选方案，更好的设计应该放在第一位。
没有什么可以替代努力工作。
歧视对实施者来说是昂贵的，因为它减少了他们可用的人才库。
The biggest challenge is to be yourself in a world that is trying to make you like everyone else.
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.
"A key insight in computational learning theory is that the complexity of a learning problem is determined by the complexity of the hypothesis space and the amount of data available."
You have to believe in yourself when no one else does.
Most man rather deny the turth than face it.
The best discoveries often come from unexpected places.
The ultimate goal of machine learning is to make machines that can learn from experience and improve their performance over time.