SIR ISAAC NEWTON. 257 



must differ in some degree from our guide, 1 as well as from 1857. 

 all those (no small number) whose well-founded veneration ^orai 011 S 

 for the greatest of philosophical inquirers has led them peculiarity, 

 to regard him as an exhibition of goodness all but perfect, 

 and judgment unimpeachable. That we can follow them 

 a long way will sufficiently appear in the course of this 

 sketch.' Later on he says, ' The great fault, or rather mis- 

 fortune, of Newton's life was one of temperament ; 2 a 

 morbid fear of opposition from others ruled his whole life. 

 When, as a young man, proposing new views in opposition 

 to the justly honoured authority of Descartes and lesser 

 names, he had reasons to look for opposition, we find him 

 disgusted by the want of an immediate and universal 

 assent, and representing, as he afterwards said, that 

 Philosophy was so litigious a lady, that a man might 

 as well be engaged in lawsuits as have to do with her. 



5. (Art.) 'Newton,' by A. De Morgan. Penny Cyclopaedia, 1840. 



6. ' Life of Newton,' by A. De Morgan. Knight's Cabinet Portrait 

 Gallery (British Worthies), 1846. 



7. Tract upon Keil and Leibnitz, by A. De Morgan. Cambv. 

 Phil. Trans., 1846. 



8. ' A Short Account of Recent Discoveries in England and Ger- 

 many relating to the Controversy on the Invention of Fluxions,' by 

 A. De Morgan. Comp. to the Almanac, 1852. 



9. 'On the Authorship of the "Account of the Commercium 

 Epistolicum,'" by A. De Morgan. Phil. Magazine, June 1852. 



10. ' On the Early History of Infinitesimals in England,' by A. De 

 1. organ. Phil. Magazine, November 1852. 



11. Life of Newton, by Sir D. Brewster, 1855. 



12. Review of Brewster's Life of Newton, by A. De Morgan. 

 North British Review, 1855. 



13. Articles in Notes and Queries by A. De Morgan, 1853 and 1856. 



14. Correspondence of Sir Isaac Newton and Prof. Cotes, by 

 J. Edleston, Fellow of Trin. Coll., Camb. 8vo., London, 1850. 



15. Historical Essay on the First Publication of 8ir Isaac Newton's 

 ' Principia,' by Prof. S. P. Rigaud. 8vo., Oxford, 1838. 



16. Gentleman's Magazine, Ixxxiv., p. 3. 



17. Weld's History of the Royal Society. 2 vols. 8vo. , London. 



1 Sir D. Brewster, from whose ' Life of Newton ' in the Family 

 Library the facts are taken. 



2 My husband always used this word for what I should call ori- 

 ginal character or inborn disposition. 



8 



