34 



NATTJBE FOE ITS OWN SAKE 



T1U whirl- 

 ing world. 



erratic orbit, flinging off heat or cold as the in- 

 clination of its azis to the ecliptic, it follows 

 necessarily that the earth must be continually 

 changing in light and color. There shall never 

 be any monotony so long as the sun lasts and 

 the world spins ; and that light which was 

 created on the earliest day is to this latest time 

 the most varied and the most wonderful beauty 

 of the universe. 



