Looking at Lushan Mountain from the front and side of peaks and valleys, from far, near, high and low places, Lushan Mountain presents various faces.

Different people have different opinions.

Blame others' hearts, blame yourself, forgive yourself and forgive others.

The so-called true wisdom has been thought for thousands of times; However, if we want to make them truly our own, we must think twice before they take root in my personal experience.

The authorities are confused, and the bystanders are clear.

The vacillation of thought is not between right and wrong, but between rationality and irrationality.

The development of the thinking world, in a sense, is to constantly get rid of surprises.

Being lazy in thinking, unwilling to delve into and deeply understand, complacent or content with trivial knowledge are all reasons for poor intelligence. This kind of poverty has a word called stupidity.

The person who inquires is only a fool for five minutes; He who is ashamed to ask questions is a fool all his life.

Learning without thinking is useless, thinking without learning is dangerous.

A person depends not only on what he is born with, but also on what he gets from his study to make himself.