Remarks on Colour line that 'There is no such thing as phenomenology, though there are phenomenological problems.' He was content to regard Goethe's observations as a kind of logic or geometry. Wittgenstein took his examples from the Runge letter included in the "Farbenlehre", e.g. "White is the lightest colour", "There cannot be a transparent white", "There cannot be a reddish green", and so on. The logical status of these propositions in Wittgenstein's investigation, including their relation to physics, was discussed in Jonathan Westphal's "Colour: a Philosophical Introduction" (1991). Although "Remarks on Colour" is considered difficult on account of its fragmentation, his last work,
The Fox and the Grapes in the labyrinth of Versailles. He can therefore afford a thoughtful, moralising tone: But Benserade then adds another quatrain, speculating on the fox's mental processes; finally it admits that the grapes really were ripe but 'what cannot be had, you speak of badly'. One of La Fontaine's early illustrators was the artist Jean-Baptiste Oudry, who was also artistic director at both the Beauvais and the Gobelins tapestry works. In consequence of this a series based on La Fontaine's fables designed by Oudry was produced by them during the 1740s and included "The Fox and the Grapes". These stayed in production