What you learn on paper will eventually make you realize it is shallow, but you must know that you have to do it in earnest

This is a poem by Lu You to teach his children, and its name is "Reading on a Winter Night to Show Zi Yu"

. Lenin said: "After hundreds of millions of repetitions, human practice is fixed in logical formulas in human consciousness. It is (and only) that these formulas have the solidity of previous opinions because of hundreds of millions of repetitions. and the nature of the axioms."

If I can look a little farther than others, it is because I stand on the shoulders of giants. Newton

Engels said: "Humanity. Intelligence develops according to how people learn to change nature."

The differences in natural talents between individuals are actually far less great than we imagine. These very different differences seem to make people engaged in various activities The different talents of professional adults are not so much the cause of the division of labor as the result. Adam Smith

1. The standard of truth can only be social practice. 2. After the revolutionary line is determined, revolutionary cadres play a decisive role. Mao Zedong

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