a stumbling block, aeschines, alexander, alexander the great, anaximander, antisthenes, art, averroes, boat, bouquet, canvas, christ, creation of adam, crossroads, david jacques-louis, epicurus, federico ii duke of mantua, flower, flowers in a vase, french painter, genre, henri moret, heraclitus, hypatia, knight, kotzebue, landscape, leonid at the battle of thermopylae, lovers on the river bank, marseille differ, michelangelo, national gallery london, neoclassicism, oil, paris, parmenides, path, pattern, people, pythagoras, raffaello santi, raffaello sanzio, raphael, religion, returning of the boats, river, rock, sail, school of athens, scuola di atene, sea, siemiradzki, sistine chapel, sitting on the bench, sky, socrates, stone, table, the field, the louvre, tree, vase, vasnetsov, vatican, young woman, zeno of citium