Date: 1748, 1749

"Man is a machine so compound, that it is impossible to form at first a clear idea thereof, and consequently to define it. This is the reason, that all the enquiries the philosophers have made a priori, that is, by endeavouring to raise themselves on the wings of the understanding have proved ine...

— Julien Offray de La Mettrie (1709-1751)

Date: 1785

"BOSWELL. 'But, sir,'tis like walking up and down a hill; one man will naturally do the one better than the other. A hare will run up a hill best, from her fore-legs being short; a dog down.' JOHNSON. 'Nay, sir; that is from mechanical powers. If you make mind mechanical, you may argue in that ma...

— Boswell, James (1740-1795)