I wish I knew modern Irish, but, alas, I do not. So, I'll just have to say in English, "Happy St. Patrick's Day." Liam has the Irish here. I'm celebrating by continuing to grade midterms.
For your Irish enjoyment, and appropriate for a Bible scholar, here are some images from the Book of Kells:
The Book of Kells is one of the most famous manuscripts from the medieval period, and its artistry is justly famous. It dates to approximately 800 CE. The second image, by the way, is from the Gospel of Matthew.