102 THE FOKMS OF WATER IN CLOUDS, ETC. 



at ail times without awe, I have found you on rock and 

 ice, and you have shown the still rarer quality of 

 steadfastness in intellectual effort. As here set forth, 

 our task seems plain enough, but you and I know how 

 often we have had to wrangle resolutely with the facts 

 to bring out their meaning. The work, however, is now 

 done, and you are master of a fragment of that sure 

 and certain knowledge which is founded on the faithful 

 study of nature. Is it not worth the price paid for 

 it ? Or rather, was not the paying of the price — the 

 healthful, if sometimes hard, exercise of mind and 

 body, upon alp and glacier — a portion of our delight ? 



493. Here then we part. And should we not meet 

 again, the memory of these days will still unite us, 

 Give mo your hand. Good hye. 



