H
HEAVEN.
Heaven an Habitation for the Immortal Gods. 26
Heavens Immutability evident to Sense. 26
Heaven Immutable, because there never was any Mutation seen in it. 34
One cannot (saith Aristotle) speak confident­ly of Heaven, by reason of its great di­stance. 42
The substance of the Heavens impenetrable, ac­cording to Aristotle. 54
The Substance of Heaven Intangible. 55
Many things may be in Heaven, that are Invisi­ble to us. 334
There are more Documents in the Open Book of Heaven, than Vulgar Wits are able to Penetrate. 444
Heaven and Earth ever mutually opposed to each other. 480
Which are really the Greater Lights in Heaven,and which the lesser. 484
Heaven is not composed of a fifth Essence, differ­ing from the Matter of inferiour Bodies. 494
Heaven is no Solid or Dense Body, but Rare. 494
Christ at his Incarnatiou truly descended from Heaven, and at his Ascension truly ascended into Heaven. 496
Of the First, Second and Third Heaven. 497
Heaven in the Sense of Copernicus, is the same with the most tenuous Æther, but different from Paradice, which excells all the Hea­vens. 499
HELL.
Hell is in the Centre of the Earth, not of the World. 480
HELIX.
The Helix about the Cylinder may be said to be a Simple Line. 7
HYPOTHESIS.
The true Hypothesis may dispatch its Revoluti­ons in a shorter time in lesser Circles, than in greater, the which is proved by two Examples. 410
I
JEST.
A Jest put upon one that offered to sell a cer­tain Secret of holding Correspondence at a Thousand Miles distance. 79
A Jest of a certain Statuary. 94
IMPOSSIBILITY and Impossibilities.
Nature attempts not Impossibilities. 10
To seek what would follow upon an Impossibi­lity is Folly. 22
INCORRUPTIBILITY.
Incorruptibility esteemed by the Vulgar, out of their fear of Death. 45
INFINITY.
Of Infinity the Parts are not one greater than another, although they are comparatively unequal. 105
INSTRUMENT and Instruments.
Instruments Astronomical very subject to Er­rour. 262
Copernicus understood not some things for want of Instruments. 338
A proof of the small credit that is to be given to Astronomical Instruments in Minute Ob­servations. 351
Ptolomy did not confide in an Instruments made by Archimedes. 352
Instruments of Tycho made with great Ex­pence. 352
What Instruments are most apt for exact Obser­vations. 352
INVENTORS.
The First Inventors and Observers of things ought to be admired. 370
JOSHUAH.
The Miracle of Joshuah in commanding the Sun to stand still, contradicts the Ptolomaick System. 456
Joshuahs Miracle admirably agreeth with the Pythagorick Systeme. 457