\vhofe habits he fo well defcribes, were col- 
le51ed at a vaft expence, by order of his mu- 
nificent and powerful pupil, prince, and pa- 
tron, the conquerer of the then known 
world. 
His philofophical opinions are to be col- 
lected principally from his books de Casio. 
He confidered matter, form and privation as 
the principles of all things, and this matter 
he conceived to be eternal and indeftruftible. 
His elements are Fire, Air, Water and Earth. 
Thefe have flood their ground pretty well, 
till difturbed by the chemical philofophy of 
the prefent age, of which I may probably 
tell you more another time. He denied the 
annual and diurnal motion of the Earth, 
which Pythagoras had aflerted, and was 
confequently weak enough to fuppofe that 
the Sun, the Planets, and the fixed Stars j in 
fhort, the whole vifible creation, turned 
daily round this atom, which we call Earth. 
Strange! that he fhould not allow common 
fenfe to the Creator of the Univerle, who 
had given him fo great a fhare of human 
understanding. 
When and where he died is not known ; 
but his philofophy lived and flourifhed uni- 
verfally till towards the end of the lad cen- 
H 4 tury: 
