SCIENCE AND ART 181 



not to echoes of sounds; experiencing day and 

 night, summer and winter, cold and heat, not 

 simply reading about them. "Nur was dufuhlst, 

 das ist dein Eigenthum." "Only what you feel 

 is your very own." And second, on enriching 

 the mind with the results of science, with its 

 fresh facts, its new outlooks, its revised laws. 

 Only thus may there arise a new Nature-poesy 

 a new heaven and a new earth such as each gener- 

 ation has a right to make for itself. 



What an emotional asset, for instance, in the 

 facts regarding the Earth's relation to the Sun 

 which is its "mother-country"! "All energy is 

 a transformation of the sun, the logs which feed 

 our hearths are warehoused from the sun, the 

 locomotive moves by an effect due to that power 

 of the sun which has been lying dormant for ages 

 in the subterreanean beds of coal, the horse draws 

 its strength from crops which are also produced 

 by the sun," and so the familiar story runs to 

 water-mills and windmills and how much more 

 all owing their power to the sun. 



The emotional assets furnished by astronomy 

 are well known. They are so great that we can 

 well understand the poet's conviction that "the 

 undevout astronomer is mad." We have referred 

 to the immensities of Nature, but better than big 

 words is the picture in the volume on ASTRONOMY 

 in this Library. "Imagine a model in which the 



