Since ancient times, humans have been curious and awed by certain numbers. Among them, the number "7" is regarded as one of the most mysterious existence. From religious beliefs to folklore to modern scientific research, "7" permeates our culture and life everywhere.

Looking back through history, we can find that many civilizations have regarded the "7" as a sacred or auspicious number. For example, in the Western Christian tradition, the Bible mentions that God took six days to create the world and rested and blessed that day on the seventh day, while in Eastern Taoism, there are fascinating stories such as the seven-star sword array that have been passed down to this day ...... These profound details have led to infinite reverie about this simple but meaningful Arabic number.

From a scientific point of view, the importance of "7" cannot be ignored either. Studies have shown that the average short-term memory capacity of the brain is about seven units (2), which explains why phone number lengths are usually set within this range so that people can remember information quickly. In addition, the field of psychology has also put forward a theory that life experience can be roughly divided into seven-year cycle of regular changes and development, further strengthening the value of the value of the profound philosophical value system in the process of construction.

when you look at this issue from a dimension closer to real life, you will find that artistic creation cannot be separated from the company of this old friend! Many well-known painters like to control the number of works within seven series, set up and arrange the interactive links of exhibition, etc. All of these show that they have a deep understanding of the logical relationship behind this wonderful phenomenon and use it skillfully to reach a consensus for the purpose of better communication effect.

in addition to the contents mentioned above, in our daily life, there are actually many phenomena about "seven" waiting to be explored ~ for example, the rainbow is composed of red, orange, yellow, green, blue, indigo and purple, which forms a complete spectral sequence; there are seven main acupuncture points in the meridian system of the human body, which correspond to different health assessment standards. The compass points to the fixed position of the North Star in the north latitude and many other interesting little knowledge are waiting for everyone to uncover their hidden secret veil ~

With the progress of the times and the accelerated pace of development, while the business operation mode is constantly innovating and changing, the number "7" still maintains its unique influence. 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