</s> 

 <s id="s.001044"><emph type="center"/>CAPUT II.<emph.end type="center"/></s> 

 <s id="s.001045"><emph type="center"/><emph type="italics"/>Impetùs motum proximè efficientis natura <lb/>
explicatur.<emph.end type="italics"/><emph.end type="center"/></s> 

 <s id="s.001046">QUicquid movetur, qualecumque e&longs;t, cau&longs;am habeat mo<lb/>
ventem nece&longs;&longs;e e&longs;t, ut hoc quidem &longs;ponte &longs;uâ, illud ve<lb/>
rò alienâ vi ex alio in alium locum migret. </s> <s id="s.001047">Suopte ingenio mo<lb/>
ventur tùm corpora gravia aut levia, ut &longs;i extrà præ&longs;criptum <lb/>
&longs;ibi à naturâ locum con&longs;tituta fuerint, &longs;uo quæque ordine di&longs;<lb/>
ponantur; tùm rara aut den&longs;a, ut &longs;i per vim hæc extenuata fue<lb/>
rint, illa concreverint, naturæ &longs;tatum &longs;ibi reparent; tùm ani<lb/>
mantia, quibus cum à naturâ tributum &longs;it, ut &longs;e, vitam, cor<lb/>
pu&longs;que tueantur, &longs;timulos admovet appetitus, ut ea declinent, <lb/>
quæ nocitura videantur, omniaque, quæ &longs;int ad vivendum ne<lb/>
ce&longs;&longs;aria, acquirant, & parent. </s> <s id="s.001048">Vi extrin&longs;ecus impre&longs;sâ locum <lb/>
mutant, quæcumque in motu non &longs;erviunt naturæ, &longs;ed alieno <lb/>
reguntur arbitrio; ut iis contingit, quæ raptantur, pelluntur, in <lb/>
gyrum ducuntur, projiciuntur, & hujus generis motibus <lb/>
cientur. </s> 

 <s id="s.001049">Quoniam verò gravium, & levium celeritatem naturâ ur<lb/>
gente incitari, jaculorum autem, ac mi&longs;&longs;ilium, motum u&longs;que <lb/>
eò &longs;en&longs;im langue&longs;cere, ut planè deficiat, ob&longs;ervamus; etiam&longs;i <lb/>
moventi naturæ, quæ ex Philo&longs;ophi decretis &longs;ub&longs;tantia e&longs;t, mo<lb/>
tûs originem ultimam tribuamus, jure tamen optimo aliquid <lb/>
naturæ ip&longs;i ac motui, interjectum agno&longs;cimus (Impetum no<lb/>
minamus) cujus intentionem ac remi&longs;&longs;ionem velocitas ac tar<lb/>
ditas con&longs;equatur. </s> <s id="s.001050">Cum enim eadem de&longs;cendentis lapidis na<lb/>
tura per&longs;everet, nec illa in &longs;uâ pote&longs;tate &longs;it, aut optione delatâ, <lb/>
ut eligat utrum velit, motum arbitrio &longs;uo incitare, aut remit<lb/>
tere valeat; qui fieri po&longs;&longs;it, ut de&longs;cendens velocitatem augeat, <lb/>
ni&longs;i ei, quem primùm produxit, alium atque alium momentis <lb/>
&longs;ingulis impetum adjiciat? </s> <s id="s.001051">Illud certè extrà omnem controver<lb/>
&longs;iam po&longs;itum videtur, naturam gravem &longs;ponte &longs;uâ non a&longs;cen-