Rome was not built in a day: The Vatican City, St. Peter’s Basilica, Sistine Chapel
พาเที่ยวนครรัฐวาติกัน กรุงโรม ประเทศอิตาลี The expression (as “Rome was not built in one day”) is given in English in John Heywood’s A Dialogue Conteinyng the Nomber in Effect of all the Prouerbes in the Englishe Tongue (c. 1538; reprinted here), while Queen Elizabeth referred to the idea in Latin