Write slogans in the study

Genius lies in accumulation, and cleverness lies in diligence.

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Hua

Never think you know everything.

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Pavlov

It is better to hide your strengths than your weaknesses.

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Feuerbach

The most knowledgeable people are always cautious.

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Rousseau

From thrift to luxury, from luxury to thrift.

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Sima guang

Luxury is the starting point of national weakness.

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Cuban proverb

In a threesome, there must be a teacher, choose the good one and follow it, and change the bad one.

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The Analects of Confucius

Teenagers are easy to learn when they are old, but old people are difficult to learn.

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Zhu's "Persuasion"

Mr. Wang said: I can't learn.

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