213 
given a mathematical theory of the former, and in this wav to 
have accounted for them. It would evidently be absurd to attempt 
ai-e g the J x Pi ana , tl0 “ of t}de first class > inasmuch as they 
a ked W W £ a • phyS1 f \ the0ry ‘ If then ^ould be 
asked, What was the origin of these fundamental entities? the 
only answer that can be given to this question is, that thev came 
iowe^rf tif P C r an ? are / U ii h ,v they are ’ by the ^mediate will and 
power of the Creator of all things. They are facts— things caused 
to be— as are all the objects which the ordinary observer or the 
experimentalist calls facts. (Possibly the word had its origin in 
personal consciousness of the power to act and to make ) Thus in 
physics we are concerned with two classes of facts, which mav be 
distinguished as primary and derivative. y 
person ** that GVery rational act is by a 
person and with a purpose, it is reasonable to inquire For what 
purpose has existence been given to these two classes of fa^ts ? 
This question admits of the following explicit answer : The world 
was created and furnished, as we may presume, with reference to 
man, its principal occupant. Having endowed him with intelli 
SV ''“V? f° W b “ botb ®s pow" and Hfe 
wisdom. The first class of facts are indicative only of the attribute 
Of power; the others are significant of wisdom, as consisting of 
ends accomplished by means. These means take the form of laics • 
„„™“ f™? that I ,h - Vs,cal la "? are proper subjects of human 
Sr but T both C ° n u r° f tW0 |mrt3 distinct from oacli 
Firs ’ t flaw" wb cl dlSpenSab .t f ° r °? nstituti "g physical science, 
rst, the laws which govern the results of given physical circum 
stances have to be ascertained by observation and experiment • and 
then reasons have to be given for the laws by employing calcula 
ffdidom fern* t| k “°' m ruks ’ f r deducin S them “ nd or the given 
Sresultl of c f P, lmary ,U f ,tlCS ° f tbe ether «“> t! ’0 atoms. 
results of calculation are those stated in art. 27 The calcu- 
lation is possible, because “ all things are ordered in measure 
as™mfthat d ther ht ’’ (Wisd T 2 <>). and it is not too much to 
ShL ,,f tf u ? S ° , ord ™ d * hem for ‘ho express purpose of 
enabling us to obtain complete knowledge of His laws 1 The dis- 
Xlfoll C v e sicaf n? ° f laWS i by eXpelia ° Dt **• »o‘ const™ e the 
nat°e ‘to K,S ! » art , ° f if ’ b “‘ “ 
accountino- fnv lot, i c . °^ ^11 we have succeeded in 
SmdidmatTw^ matbema “ ca ! founded on intelli- 
science properly' so lallef '“VlfJ 6 * T* f baTe reached Physical 
My concluded by the following UlStbnf- 3 ^ W***' 
certain work^nH^h^m cons ^ ruc * ; ed a steam-engine to do 
certain work, would be able to explain to us how, by the arrange- 
y 2 ° 
