(still contemplating getting a tattoo - delicate hand-writing inspiration)
(no idea what sources are for these, oops!)
I learned about serif and sans serif typefaces, about varying the amount of space between different letter combinations, about what makes great typography great. It was beautiful, historical, artistically subtle in a way that science can’t capture, and I found it fascinating.
Steve Jobs on a calligraphy class he dropped in on in college; iconic in the development of friendly graphical interfaces.