I did something similar that I hand wrote but it's different verses from the Bible whenever I cd into my main working location. It helps me memorize verses slowly over time and it's not too intrusive though occasionally I'll disable it before pair programming on something with a colleague since it feels inappropriate at work to force someone else to put up with it if they have qualms about it.
You can always just open a new terminal and then quickly hit ctrl-L to clear. Gives an opportunity for them to ask if they care, or to just move on otherwise.