A work of art bears within itself its own verification: conceptions which are devised or stretched do not stand being portrayed in images, they all come crashing down, appear sickly and pale, convince no one. But those works of art which have scooped up the truth and presented it to us as a living force — they take hold of us, compel us, and nobody ever, not even in ages to come, will appear to refute them.
Nobel lecture (1970)