The encasing for this project was taken from here:
and so nearly all of the wiring is the same as the project linked above. The difference in wiring comes in for the ESP32 dev board and the waveshare eInk display-- this wiring will differ depending on which dev board you're using.
All the code for this project is available to download here or view on Github. To add your own quotes the size of the double array must first be increased in accordance to the how many you're adding. Generate a .bmp file with a quote you'd like (I've included a GIMP template here) and then use the Image2LCD converter to convert the quote to a .c file to be added to Obli_q.h