Of all God's creatures there is only one that cannot be made the slave of the lash. That one is the cat. If man could be crossed with the cat it would improve man, but it would deteriorate the cat.
Authentication Score 3
Citation
Twain, Mark. Mark Twain's Notebook, edited by Albert Bigelow Paine. The Mark Twain Company, 1932, ch. 21. Originally from Notebook, 2 Feb. 1894.