Like most beautiful things, the Universal Line of Beauty is best seen, rather than explained in words.
There’s something about this curved line that appeals to our eyes, a theory originated by Hogarth’s Analysis of Beauty in 1753. The Universal Line of Beauty can be seen and used in many different letterforms and flourishing techniques.
Try to identify the Universal Line of Beauty in objects and art around you. Learn to master this stroke- it’s not quite a curvy letter “s”, nor a straight line, but what Hogarth called a “serpentine” line.
Read more about the line:
The Line of Beauty: Refiguring the Serpentine Line from Drawing into Photography – Princeton University Art Museum
Line of Beauty – Wikipedia