ESSAY Human Understanding. Written by JOHN LOCKE, Gent. THE TWENTY-FIRST EDITION. TO WHICH ARE NOW ADDED, I. An Analysis of Mr. Locke's Doctrine of Ideas, on a large Sheet. II. A Defence of Mr. Locke's Opinion concerning Personal Identity, III. A Treatise on the Conduct of the Understanding. IV. Some Thoughts concerning Reading and Study for a Gentleman. Printed for J. Johnson, W. J. and J. Richardson, W. Otridge and Son, are so complex. their doubtfulness. but not well for philoso- 16. Instance, liquor of the |