l34 HISTORY OF THE MUSEUM. 



political dissensions, and grateful at once to the 

 government which supports and to the admini- 

 stration which directs them. The philosophers 

 employed in investigating nature, communicate 

 with the workmen, who catch the reflexion of 

 knowledge, and learn to delight in the results of 

 their labour.— Here are united the sources of 

 happiness spoken of by Yirgil : 



Felix qui potuit rerum cognoscere causas .... 

 Fortunatus et ille Deos qui novit agrestes. 



