ADVANCEMENT OF LEARNING 91 



the felicity of that hour which would otherwise be volatile and 

 fugitive. The poet passionately complains of a similar art 

 among the ancients long since buried in oblivion 



"Annulus infuso non vivit minis Olympo, 

 Non magis ingentes humili sub lumine PhcEbos, 

 Pert gemma, aut celso divulsas cardine lunas."* 



Indeed the Roman Church has upheld the venerableness of 

 saints' relics and their virtues, since the flux of time has no 

 power to abate the force and efficacy of spiritual things; but 

 to assert that the relics of persons might be so determined as 

 to continue and perpetuate the virtue of an hour which is past, 

 and as it were dead, is mere superstitition and imposture. 



Abstract physics may be justly divided into two parts the 

 doctrine of the schemes of matter, and the doctrine of appetites 

 and motions. The schemes of matter are density, rarity, grav- 

 ity, levity, heat, cold, tangibility, intangibility, volatile, fixed, 

 determinate, fluid, humid, dry, unctuous, crude, hard, soft, 

 fragile, tensile, porous, united, spirituous, jejune, simple, com- 

 pound, absolute, imperfectly mixed, fibrous and veiny, simple 

 position, or equable, similar, dissimilar, specificate, unspecifi- 

 cate, organical, inorganical, animate and inanimate; and fur- 

 ther than this we proceed not. For sensible and insensible, 

 rational and irrational, we refer to the doctrine of man. 



Appetites and motions are of two kinds as being either sim- 

 ple motions, wherein the spring of all natural actions is con- 

 tained, that is, in respect of their schemes of matter ; or motions 

 compounded or produced, and with these the common philoso- 

 phy which enters but little into the body of nature, begins. 

 But these compound motions, such as generation, corruption, 

 etc., should be esteemed certain results or effects of simple mo- 

 tions, rather than primitive motions themselves. The simple 

 motions are I. Motion of resistance, or preventive of pene- 

 tration of dimensions ; 2. Motion of connection, preventive of 

 a vacuum, as it is called ; 3. Motion of liberty, preventive of 

 preternatural compression, or extension ; 4. Motion in a new 

 orb, with regard to rarefaction and condensation ; 5. Motion 

 of the second connection, or preventive of solution of contin- 

 uity ; 6. Motion of the greater congregation, or with regard 

 to masses of connatural bodies, commonly called natural mo- 

 tion ; 7. Motion of the lesser congregation, vulgarly termed 



