(6^2) 
aim being to accuftoni them to praflife the Rules , and to make 
ihofe things familiar and fenfible to them , which at firft feem to be 
abftraft and difficult enough, efpecially to (hofe that are not yet ^ 
accudomedto the exercife of their Underftanding. Asforthofe 
that are already verfed in common Arithmetickand Algebra, they^ 
^^p/^i&,havedifcerning enough to exempt themrdves from reading 
what they already know. Though he hopes withal, that there will 
be thofe that will not find it tedious to perufe all, that fo they may 
obferve the connexions, which poffibly they had not yet obfcrved, 
between all thofe Truths and the different parts of the Mathema- 
ticks *, and to eftablifli alfo their knowledge upon principles,that 
may perhaps appear to them more plain and more naiural,and in lefs 
number than thofe which they have ufcd hitherto. 
II. DefJRt de FJRLER':^ iPafis,i67S. in duodecimo. 
AS there was printed at Paris ^ fome years fince , the Art of 
Thhki/fg,(\vhevtof an Account was given in iV««?/'. io6. of 
thefeTrafls, ) fo there is lately publiflied in the fame place this 
Art of Sfuhtng^ of which fome'Defcription is intended here. 
This Author doth nor, as is ordinary , crowd his book with a 
beapof Precepts, whereby the Memory is burthen'd and the Mind 
embaraffed ; but, likea good philofopher, makes it his chief bu- 
finefs to teach the Ground of the Art he treats of, and its Natural 
Principles, which being well known, there needs not that multitude 
of Rules, which flip out of the Memory almoft as foon as they are 
cntred» 
Now to make the Reader comprehend the true Reafonsof the 
Principles o{ Rhetorick , he begins with explaining, How Dif- 
courfe comes to be formed ^ and there being nothing better than 
Nature her felf to teach us the form that our Words ought to have 
for expreffing our Thoughts and the Motions of our Will , he re- 
prefeuts to hinvfelf a Troup of Men newly born and that never 
have fpoken before. He confiders what thefe Men would do : He 
fliews, that being foon tired with exprefling their mind to one ano- 
ther by Gefiurcs, they wogld quickly find the advantage of Speak- 
ings and form a Language to ihemfelves: He inquires, what form 
ihey would give to that language ; and in this inquiry he laies the 
Poundations of all languages, and renders theReafonof all the 
Rules prefcribcd by Grammarians J fliewing that this refearch is 
very 
