This is the tantalising question proposed by Jo Clifford's new play The Tree Of Knowledge.
The answer, predictably enough, is that they would be profoundly disappointed that the promise of Smith's morally enlightened capitalism had been so utterly subverted and that Hume's dream of emancipation through knowledge and liberty had not been realised. Ironically, Clifford has manifested one of the greatest dangers inherent in the Enlightenment; namely that it would lead to a drama in which moral indignation and instruction masqueraded as art.
