14 UNIVERSAL ERUDITION. 



in which we cannot point out vifible marks of 

 this unhappy truth ^ and which we find ourfelves 

 obliged, however unwilling, to declare in this 

 place. The inconvenience is greater than is 

 eafily imagined. 



XIV. And now, ye Studious Youth, who feek 

 to inform yourfelves by this abridgment of the 

 courfe you fliould purfue in the fludy of the 

 fciences, conftantly remember, that theory alone, 

 however perfect it may be, will perpetually re- 

 main a barren knowledge ; that hiftory, efpecially, 

 fhould direct you to a fagacious conduct, mould 

 infpire you with a love of virtue, and with an 

 averfion to folly and to vice. Be not therefore 

 content with knowing much, but let your know- 

 ledge be the guide to your talents ; for, in a 

 word, 



Omnia tendunt ad praxin. 



CHAP. 



