“L’amor che move il sole e l’altre stelle” (Paradiso XXXIII,145).
(The love which moves the sun and the other stars).
This quote from Dante (that in fact is the last sentence of the “Divina Commedia”) is on the entrance to the ancient Planetary.
Rome daily photo
A window on Rome
Rome daily photo 
And as his Roman friend of Inferno/Purgatorio said: “Omnia vincit Amor: et nos cedamus Amori…
Love conquers all; let us, too, yield to love…”