Concerning the terms of Art.
The terms of Art here used cannot rationally be objected against, they being either derived of some significant Latine, Greek, and Arabick words, or being the words themselves; and it is no more unlawful for an Artist to use them, than it is for a Tradesman to use some terms in his own Employ∣ment, which seem strange and obscure to others, not skilful therein; nor is it any more unlawful for me to speak of Divine Revelation in the Dialect of Astrologers, whose terms have their Original from the Languages aforesaid, than it is for a Ser∣vant of God to preach the Gospel in such frequent English words, as are derived of the Greek and La∣tin; their own terms being alike understood by ei∣ther of them.
Obj. The incertainty of Astronomy (being the Basis upon which Astrology is builded) must