" Sam, clinging to Frodo's arm, collapsed on a step in the black darkness. 'Poor old Bill!' he said in a choking voice. 'Poor old Bill! Wolves and snakes! But the snakes were too much for him. I had to choose, Mr. Frodo. I had to come with you. "

― J.R.R. Tolkien , The Fellowship of the Ring (The Lord of the Rings, #1)