72 
Dr. Barnes on the Affinity 
On the Affinity Jubfifting between the Arts, with 
a Plan for promoting and extending Manufac¬ 
tures, by ENCOURAGING THOSE ARTS, On which 
Manufactures principally depend. By Thomas 
Barnes, D. ID. Read January 9, 1782. 
“ Omnes Artes, quas ad Humanitatem pertinent, ha- 
bent quoddam commune vinculum, et quad cognatione 
quadam inter fe continentur. 
Cicero pro Archia Poeta. 
I T is a queftion, not only of fpeculation, but 
of real importance, <c How far is it defirable, 
that a man of learning fhall devote himfelf to 
one particular object ?” Or, to put it in a dif¬ 
ferent form, tc Will not the interefts of science 
be bell promoted, by a more general and extended 
application to different ftudies ?” 
In the life of Dr. Isaac Barrow, we are told, 
that great man “ entered upon ftudies of dif¬ 
ferent kinds, whereby he could not totally devote 
himfelf to one, which would have been more 
for the public benefit, according to his ov*n 
opinion, which was; that general Jcholars did 
more pleafe themjelves ; but that they, who pro- 
fecuted particular fubje&s, did more pleafe 
others 
Whatever 
