PRESENT PROBLEMS 271 



saying, "It is easy to prophesy after the event." I prefer to wait 

 until prophecy becomes easy. 



I must ask your indulgence for having merely selected a few out 

 of the many possible views as regards the Problems of Inorganic 

 Chemistry. I can only plead in excuse that my task is not an easy 

 one ; and I venture to express the hope that some light has been thrown 

 on the shady paths which penetrate that dark region which we term 

 the future. 



