“At this camp I had the unique experience of showing all these seasoned Westerners that it was possible to make a fire by the friction of two sticks.”

“While my interest in natural history has added very little to my sum of achievement, it has added immeasurably to my sum of enjoyment in life.”

“The clearest way into the Universe is through a forest wilderness.”

“I wanted to be the first to view a country on which the eyes of a white man had never gazed and to follow the course of rivers that run through a new land.”