1. If the sun is too strong, it will scorch the grains; if the rain is too strong, it will drown the crops.

Appreciation: It is closely connected with the previous sentence "The highs should not be too high to make you nervous, and the lows should not be too low to make you decadent." It uses a metaphor to vividly illustrate the need to control emotions.

2. I have mentioned the destruction of feelings to you before in my letter, which means that you should regard these things as the ashes of your soul. Of course, you will feel a lot of emotions when you read them, but you should not hurt yourself unforgettablely. , but should be as respectful as facing an ancient battlefield.

Appreciation: This sentence is intended to illustrate the need to control emotions. For emotional trauma, we should "look at it as the ashes of the soul" and "look at it with the same condolences as looking at an ancient battlefield." When we pay homage to the ancient battlefield, the fire and gunpowder smoke have dissipated, leaving only ruins and broken walls. The battles of gold and iron, horses and flesh and blood have been buried by the sand of time. There are only thousands of emotions left, desolate and calm, depressed and transcendent. This is the attitude we should have towards the past.

3. Only when a person dares to face reality and mistakes, analyze rationally, and understand thoroughly can he not be eroded by memories. I believe you will gradually learn this and become stronger and stronger.

Appreciation: Reality cannot be escaped, mistakes must be faced squarely, calmly analyze the causes and consequences of things, learn lessons, and draw lessons from them, so that you can be invincible, not afraid of setbacks, not afraid of blows, and not even afraid of loneliness. , people become stronger.

4. I estimate early that I will receive your letter in the new year. We are all waiting for it as if it were a gift.

Appreciation: A few strokes and simple explanations make the details of calculating time and waiting for letters full of the flavor of life, inadvertently reflecting the father's deep concern for his son.

5. It is such a sacred and glorious mission to carry forward the immortal works of the immortal master and spread them to every corner of the earth!

Appreciation: "Carry forward the immortal works of the immortal master" cleverly implies that the artistic career engaged in by the son is an immortal career; "What a sacred and glorious mission" expresses the father without reservation. Support and understanding of his son’s career, and joy and praise for his son’s success.