Virgin and Child with Saint Catherine of Alexandria, Augustine, Barnabas, John the Baptist, Ignatius, Archangel Michael (Altarpiece of San Barnabas), by Sandro Filipepi Known as Botticelli, 1487, 15th Century, tempera on panel, cm 268 x 280. Italy, Tuscany, Florence, Uffizi Gallery. Detail platform compartment. Saint Augustine vision child hole water sea shores metaphor. The child wants to pour in the tiny hole sea water. The Saint discourage him on the impossibility of the action. The child answers that alike the Saint could not comprehend the Trinity mistery. Green sky blue red white. (photographic campaign 2009).