Quotes are used from various philosophers, poets and playwrights, musicians and scientists, as per the artist's fancy. Here is one for example, from Nietzsche.
Apostolos uses Python to code the words into art symbols. The results are compiled and printed on fine Hahnenuhle art paper.
It certainly is a new approach, and I am sure immensely satisfying for the artist, who is able to blend his interests in technology, philosophy, maths, art and design all in one exclusive offering.