Sistine Chapel ceiling Section reference. Michelangelo wrote a poem describing the arduous conditions under which he worked The overt subject matter of the ceiling is the doctrine of humanity's need for Salvation as offered by God through Jesus. It is a visual metaphor of Humankind's need for a covenant with God. The Old Covenant of the Children of Israel through Moses and the New Covenant through Christ had already been represented around the walls of the chapel. Some experts, including Benjamin Blech and Vatican art historian Enrico Bruschini, have also noted less overt subject matter, which they describe as being "concealed" and "forbidden."
Illusionistic ceiling painting Sant'Ignazio, Rome. Illusionistic ceiling painting belongs to the general class of illusionism in art—art designed to create accurate representations of reality. Di sotto in sù (or "sotto in su"), which means "seen from below" or "from below, upward" in Italian, developed in late Quattrocento Italian Renaissance painting, notably in Andrea Mantegna's Camera degli Sposi in Mantua and in frescoes by Melozzo da Forlì. Italian terminology for this technique reflects the latter artist's influence and is called "prospettiva melozziana", or "Melozzo's perspective". Another notable use is by Antonio da Correggio in the Duomo of Parma, which foreshadows Baroque grandeur. The technique