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%SS. And, indeed, what this philosopher in hi» Phædrus speaketh of the super-celestial region, and the divinity resident therein, is of a strain not to be relished or comprehended by vulgar minds; to wit, essence realy existent, object of intellect alone, without colour, without figure, without any tangible quality. He might very justly conceive that such a description must seem ridiculous to sensual men.

367. As for the perfect intuition of divine things, that he supposeth to be the lot of pure fouls, beholding by a pure light, initiated, happy, free and unstained from those bodies, wherein we are now imprisoned like oysters. But in this mortal state, we must be satisfy'd to make the best of those glympses $>) within our reach. It is Plato's remark in his Theætetus, that while we sit still we are never the wiser, but going into the river and moving up and down, is the way to discover its depths and shallows. If we exercise and bestir ourselves, we may even here discover something.

368. The eye by long use comes to fee even in the darkest cavern: and there is no subject so obscure, but we may discern some glympse os truth by long poring on it. Truth is the cry of all, but the game of a few. Certainly where it is the chief passion, it doth not give way to vulgar cares and views; nor is it con- . tented with a little ardour in the early time of life, active perhaps to pursue, but not so fit to weigh and revise. He that would make a real progress in know, ledge, must dedicate his age as well as youth, the later growth as well as first fruits, at the altar of truth.

Cujufvis est errare, nullius nisi insipientis in errore perseverare. Cic. (*) 335. 337. ,

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E N T S.

TAR-WATER, how made,
Sect. i

How much to be taken at a
time, 3. 116. 217

How long to be continued, 11 o

How made palatable, 115

A preservative and preparative
against the small-pox, z

Useful in it, 74

A cure for foulness of blood,
ulceration of bowels, lungs,
consumptive coughs, pleurisy,
peripneumony , erysipelas ',
asthma, indigestion, cachectic
and hysteric cafes, gravel,
dropsy, and all inflammations,

Answers all the purposes of Elixir
proprietatis.Stoughton's drops,
best turpentines, decoction of
the woods, and mineral waters,
53. 61-6;
And of the most costly bal-
sams, 2i. 22. 62. 63

May be given to children, 67

Of great use in the gout, 68. 80
In fevers, 75 77. 114

Cures a gangrene as well as ery-
sipelas, 82, 83

The scurvy and all hypocondri-
ac disorders, 86—109

Whence this English malady
proceeds, 88, 89

High food how prejudicial,

66. 104

More particularly spirituous li-
quors, 103. 106 108

Tar-water a preservative for the
teeth and gums, 114

Is particularly recommended to
sea-faring persons, ladies, and
men of studious and sedentary
lives, 117—119

Its specific virtues consul in its

volatile salts, 8. I 23

Tar preserves trees from the bi-

CON T E N T 6.

Theory of acids, salts, and alcalies, Sect. 129—136. 227 Air the common seminary of all . vivifying principles, 137— 144

Air, of what it consists, 147— 151. 195-7 Pure æther, 0/ invisible sire, the spirit of the universe, which operates in every thing, 15 2 —62

The world how understood to be an animal, 1-52—156. 166.

17;. 262. 273.-9

Opinion of the ancients concerning it, 166—75. 229

And of the Chinese conformable to them, i8p—82

What meant by the forms of the Peripatetics, 167.310

Fire worshipped among various nations, 183—5

Opinion of the best modern chemists concerning it, 189—90

Ultimately the only menstruum in nature, 191

Adds to the weight of bodies, and even gold made by the introduction of it into quicksilver, 169. 192—6

Pure elementary fire how inherent in bodies without being subject to the senses, 19S—201

Opinion of Hippocrates and Dr. Willis of a vital flame, 204, 5

The theory of Ficinus and others concerning light, 206—13

Sir Isaac Newton's hypothesis of a subtle æther examined, 221.

228. 237. 246.

Pure æther the same with his acid, 130. 202. 227

No accounting for natural phænomena, either by attraction and repulsion, or by elastic æther, without the presence of an incorporeal agent, 231 —

X . »8. 2*6 i49- 29 + ~97

The doctrine of all things un> folding themselves from seed* ill founded, Sect. 233

More ancient than many are aware, 282

Nature better explained by attraction than by Descartes'* principles of size and figure, 243,4

Attraction in some degree discovered by Galilæi, 2-t$'"

Phænomena are but appearances in the foul, not to be accounted for upon mechanical principles, 251, 2. 310

The -ancients not ignorant of many things in physics and metaphysics, which we think the discovery of modern times, 265—69

Had some advantages beyond us, 298 Of absolute space, and fate, 270—3

Of the anima mundi of Plato, 276—84. 2.2»

What meant by the Egyptian Isis and Osiris, 268. 299

Plato's and Aristotle's threefold distinction of objects, 306—.7

Their opinion of ideas being innate, or not, 308, 9

Neither of them believed the absolute existence of corporeal things, in, 12. 316—18

The study of the philosophy of Socrates and Pythagoras would have secured the minds of men from that selfishness which the mechanic philosophy has introduced, 331, 32

The study of Plato recommended, 332. 338

Who agrees with Scripture in many particulars, 339

His opinion of the deity, and particularly of a trinity, agreeable to revelation, 341 — 365

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