Take the heart of yourself and live the life of others

Take the heart of yourself and live the life of others

It's an idiom to use one's own mind to speculate other people's mind.

explain

Degree: speculation and speculation. Use your own ideas to speculate on other people's minds. It has a derogatory meaning. It is the same as "to use one's own heart to help others".

source

In the book Shaoshi Shanfang bicong · Yilin Xueshan 8 written by Hu Yinglin in Ming Dynasty: "Yang (Yang Shen) destroyed it with Zhu (Zhu Xi)'s taboo. How can he use his own heart to live with others?"