In 1984, my family and I had a trip that included Athens.
On a tour, our driver pointed out the rock where St. Paul is said to have preached the sermon of the “unseen God.”
It struck me and, of course, many others that, yes, we have faith in God Whom is not seen but Whose works are evident to all in our daily lives.
Aye, as the Holy Apostle said, "in Whom we live and move and have our being!: