What is the significance of the beauty of lines in China's stippling?

Chinese characters are composed of stippling. The so-called stippling refers to lines in calligraphy art. The reason why lines can give people a sense of beauty is because they can give people a sense of correspondence, such as horizontal lines making people feel broad and calm; Vertical lines make people feel tall and straight, rising; Curves make people feel soft and flowing; Slant lines make people feel critical and steep. Calligraphers use these expressive functions of line and pen and ink skills to express various artistic conception and interest, so that the appreciator can have corresponding emotions.