Deythe Cometh
Amende to-day and slack not,
Deythe cometh and warneth not,
Tyme passeth and speketh not.
Sun Dial at Moccas Hall near Hereford, belonging to Sir George Cornewall. (1630).
I have been listening to the podcast "S-Town" (censored version of Shit-Town) and heard that sundials all have motto's and they're usually something depressing about how you'll eventually die. I googled them and there are some gems. Above was one of my favorites.