not known to many, that having practis’d Chymistry longer perchance then I have yet liv’d, may have far more Experience, Than I, of particular processes.*
To conclude, whether the Notions I have propos’d, and the Experiments I have communicated, be considerable, or not, I willingly leave others to Judge; and This only I shall say for my Self, That I have endeavour’d to deliver matters of Fact, so faithfully, that I may as well assist the lesse skilful Readers to examine the Chymical Hypothesis, as provoke the Spagyrical Philosophers to illustrate it: which if they do, and that either the Chymical opinion, or the Peripatetick, or any other Theory of the Elements differing from that I am most inclin’d to, shall be intelligibly explicated, and duly prov’d to me; what I have hitherto discours’d will not hinder it from making a Proselyte of a Person that Loves Fluctuation of Judgment little enough to be willing to be eas’d of it by any thing but Error.
