The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.

The best fertilizer is the farmer's shadow on the field.

I don't want to make money, I want to make a difference.

书籍是释放我们改变潜力的钥匙。

我们会展示出我们的仁慈。但我们不会向别人要求仁慈。

Make it a rule never to give a child a book you would not read yourself.