"Those who have the heart don't need to teach, and those who have no heart can't learn." The meaning of this sentence is: people who have the heart to do things will learn by themselves slowly while watching, even if they don't need to teach them all. For those who have no intention to learn, they can't learn even if they teach hard every day.

There may be many people who say they like you, but those who know how to take care of your emotions are the most precious. The tenderness in the details, those who have the heart don't need to teach, and those who have no heart really can't teach; Careful people have a feeling of spring breeze. Whether it is work or feelings, people who are gentle in details are really admirable.

Extended data

This sentence comes from two sources:

First of all, New Tang Book, New Tang Book and Lu Xiang Biography. It doesn't matter if you are tired or careless. There is nothing in the world but futile troubles.

It means: when you put your heart, heart and effort into it, if you succeed in the end, you will feel hard-won and very hard; But it doesn't matter to you if you don't do it with your heart.

There is nothing in the world. Don't let the world bother you. In fact, it is telling us not to be influenced by distractions, to be open-minded, to live a chic life, and not to care too much.