Since ancient times, the number "3" has been given a special meaning. Whether in Eastern culture or Western tradition, "3" is a presence full of power and mystery. For example, in traditional Chinese culture, the three beings represent the life force of the universe, while Christianity has the concept of the Trinity of Father, Son and Holy Spirit.

From a psychological point of view, the human brain seems to naturally prefer a structure composed of three parts. Research shows that information is easier to remember and more persuasive when presented in three forms-which is why many classic aphorisms such as "three people must learn from me" or marketing slogans often use "three points.

In the field of design, there is another important principle besides the "golden ratio rule", which is the trichotomy composition. Designers often use two horizontal lines to divide the upper and lower areas in the page layout, and arrange the visual focus on this basis. This approach can not only make the picture more harmonious and unified, but also allow the viewer to quickly grasp the key content.

Everywhere in life can be seen for the number "3" clever application. For example, the fashion industry's popular way of overlapping and fitting usually chooses two basic items plus a scarf to form the overall shape; the family decoration process also often recommend the use of warm light bulbs with wall paintings embellishment space atmosphere ...... These are based on the aesthetic rules of the formation of the customary practices.

The business world also has no advantage in ignoring this. Many well-known brands have set their own logo as a concise and lively image that contains three meanings at the same time, thus deepening the impression of consumers. The mermaid head on Starbucks logo is arranged in a circle around the text to form the effect of inner and outer double circles plus the central pattern. Although the Nike swosh logo looks like a hook, careful observation shows that it creates a forward sprint posture similar to an arrow through the change of bending angle, and the next letter nike together form a brand symbol system implying enterprising spirit.

In addition to the expertise mentioned above, there are some interesting little stories surrounding this magical number. It is said that Leonardo da Vinci spent a lot of time studying the facial proportions of the characters before he drew the Mona Lisa portrait, and finally decided to divide the facial feature distribution according to the 1/3, making the work still confusing and unforgettable. Others believe that the success of the Harry Potter series is due to the author Rowling's intentional or unintentional adherence to the principle that the progression of the novel's plot requires three climax turns to reach a happy ending, which has attracted countless readers to follow it for many years.

If you want to incorporate the concept of the number "3" into your daily life, you can try to start small. First of all, make sure to make three main task lists for yourself after getting up every morning before considering the rest. Secondly, choose a corner of the home to rearrange the order of furniture to make it feel orderly but warm and comfortable. In addition, you can also buy several books on philosophical thinking to read them regularly to cultivate independent opinions and thus influence the surrounding people to establish positive value communication links.