from Coat of Arms of Paris
It means "(The boat) is tossed (by the waves) but does not sink" in Latin. A state or city is often compared to a ship, and Paris also has long adorned the coat of arms with a sailboat and adopted this phrase as a motto. At the fire of Notre Dame Cathedral, mayor Anne Hidalgo also called on the Parisians to get over this "pain" at any cost on Twitter, quoting this phrase. By the way, she is from Spain and is the first female mayor in Paris.
"May 28 2019
from “Oriori no Kotoba” by Kiyokazu Washida, The Asahi Shimbun"