How to explain the divination without divination in the Book of Changes?

This is what ancient sages can do, because words can represent very limited things, so the ancients always have some special ways, such as painting, musical instruments, etc., which need to be understood with heart. If you use words, it confirms Confucius' sentence: books say everything and say everything.

You can make different choices according to your own different situations. You need to go there, but you can't say for a while. The meaning is simple, but it is also mysterious.