20 INTRODUCTION 



It will appeal to the head rather than to 

 the heart. 



We may, on the other hand, choose to 

 regard Nature as being a revelation of a 

 personal God, and of His goodness, love, and 

 power. The Psalmist, in the text which I 

 have placed on my title-page, seems to have 

 had in view -the mental processes by which 

 men are led thus to contemplate creation. 

 They look upon all created things as the 

 works of the Lord ; they see that these works 

 are great ; they take pleasure in them ; they 

 seek to know them. Nature, in this way, 

 becomes to us not only a curious and enter- 

 taining study, but a volume in which our 

 Heavenly Father has written for our instruc- 

 tion a revelation of Himself, second only in 

 importance and precision to that which He 

 has given us in the Bible. 



If, then, we take God's Word for our guide, 

 and Science as our companion, we shall see in 

 each operation of Nature an expression of the 

 will of the Creator, and, while we advance in 

 knowledge as certainly and rapidly as by the 

 other way, our journey is cheered and our 

 steps encouraged by a hopefulness and 



