The meaning of this sentence is: People with good eyesight can see signs before they are formed, and people with good hearing can hear movement when there is no sound. Therefore, the wisest and most moral saints always do things in the right way. It's foolproof.

This sentence first came from Sima Qian's "Historical Records: Huainan Hengshan Biography": "The ministers who are wise hear the silence, and the wise see the invisible, so the sage is perfect in all his actions." It is Wu Bei, the adviser of Huainan King Liu An. Admonish what Liu An said.

Later, Ban Gu, a historian of the Eastern Han Dynasty, also quoted this sentence in "Hanshu Biography of Kuai Wu Jiang Xi Fu". Today, this allusion is mostly used to emphasize guarding against unknown risks, knowing the subtleties, taking precautions against the slightest, and enhancing the prediction and preparation for contradictory risk challenges.

It is better to be prepared before it rains and to dig a well before you are thirsty:

Everything must be prepared in advance, such as repairing the house before it rains, and not "improvising" "Cuddle the Buddha's feet", like digging a well when you are thirsty.

Only by strengthening the prediction and preparation for conflicts, risks and challenges, and improving the ability to foresee, just like having an idea in mind and having a score in mind, can we learn to "play the piano" in actual work, know the joints, get the essentials, and grasp the key points. , can work hard and implement it effectively in the end.

Reference for the above content: People's Daily Online - The wise listen to the silent, the wise see the invisible