There is mind reading in the world. Is there any way to prevent them from reading their secrets? For example, bank card confidentiality. Someone is eavesdropping on what are you thinking? ...

There is no mind reading in the world. All the performances of mind-reading are magic and fake. Don't worry. As long as you keep your mouth shut, no one will know what you are thinking.

The so-called mind reading is actually people with rich life experience. They are good at observing faces and colors, and can capture your subtle expressions, so as to infer and guess your inner emotional changes, and let you express your inner thoughts through induction and suggestion. The so-called mind reading is actually the same as fortune telling, and it is not surprising at all, just like charlatans in the past.