John Ruskin,
Index of the Project Gutenberg Works of John Ruskin
“ The truth of Turner. 183 Chapter IV., Of Truth of Space:—First, as Dependent on the Focus of the Eye § 1. Space is more clearly indicated by the drawing of objects than by their hue. 185 § 2. It is impossible to see objects at unequal distances distinctly at one moment. 186 § 3. Especially such as are both comparatively near. 186 § 4. In painting, therefore, either the foreground or distance must be partially sacrificed. 187 § 5. Which not being done by the old masters, they could not express space. 187 § 6. But modern artists have succeeded in fully carrying out this principle. ”
