He was born that way." The Girl began to laugh.
"His environment is so different," she said.

"Perhaps if he were in a big city, he would have to try also." "Won't do!" said the doctor.

"He chose his location.

So did I.He is a stronger physical man than I ever was or ever will be.

The struggle that bound him to the woods and to research, that made him the master of forces that give back life, when a man like Carey says it is the end, proves him a master.