What are the classic sentences that express that the human heart cannot be tested?

1. The human heart is the most untestable. Once it happens, the world will be turned upside down. ?

2. There are two things in the world that cannot be looked at directly. One is the sun and the human heart. The most unpredictable thing is the human heart. Since you know this truth, why do you still want to test it? ?

3. The most inscrutable thing in this world is that people’s hearts test each other and really consume each other’s feelings. ?

4. The human heart is simple and complex. It cannot be suspected. It cannot be tested. Once it is suspected, it will be seen through. Once it is tested, it will be chilled. It is passionate and fragile and cannot be perfunctory. It cannot live up to its failure. Once it is perfunctory, it will become cold. ?

4. ?

5. It is said that the human heart is the most untestable, but still no, I tried it anyway, and the result did not disappoint me, just as you said. ?

6. In the real society, the human heart cannot be tested. Once tested, it will be over. Sincerity cannot be hurt. Once hurt, it will be forever. ?

7. There are two things in this world that cannot be looked at directly. One is the sun and the other is the human heart. The human heart is complex and cannot withstand temptation or overestimation. ?

8. The last thing that cannot be tested these days is the human heart. If you try, you will not hurt others, but yourself.