Sistine Chapel ceiling identity of the figures in the lunettes and spandrels, continue to defy interpretation. Modern scholars have sought, as yet unsuccessfully, to determine a written source of the theological program of the ceiling and have questioned whether or not it was entirely devised by the artist himself, who was both an avid reader of the Bible and a genius. Also of interest to some modern scholars is the question of how Michelangelo's own spiritual and psychological state is reflected in the iconography and the expression of the ceiling. One such speculation is that Michelangelo was tormented by conflict between homosexual desires
The Birth of Venus Politian speaks of Zephyr causing flowers to bloom, and spreading their scent over the land, which probably explains the roses he blows along with him in the painting. Having a large standing female nude as the central focus was unprecedented in post-classical Western painting, and certainly drew on the classical sculptures which were coming to light in this period, especially in Rome, where Botticelli had spent 1481–82 working on the walls of the Sistine Chapel. The pose of Botticelli's "Venus" follows the Venus Pudica ("Venus of Modesty") type from classical antiquity, where the hands are held to cover the breasts