After a time he caught one of the simple expedients by which painting had been so completely revolutionized. These painters filled the air of their pictures solid! And that living, moving, replete air did something to the objects that were to be seen in them! Vincent knew that, for the academicians, air did not exist; it was just a blank space in which they placed rigid, set objects. But these new men! They had discovered the air! They had discovered light and breath, atmosphere and sun; they saw things filtered through all the innumerable forces that live in that vibrant fluid.
