To feel what the monster is feeling
The answer is love. Really it is the "Word" that is supposed to be carried to others, but love would be synonymous for what the word was all about.
John Thornton and Buck's connection goes far beyond the working relationship that Buck had with Francois and Perrault. He respected those men for their understanding of dogs and of nature, but he had no great affection for them. John Thornton is "the ideal master," for he understands Buck without difficulty or confusion. Buck loves him because he shows his need for Buck, repeatedly demonstrating that Buck can help him in ways that others can't.
Answer:
There was no one in the room. I looked up. The door was in the way of this person. Then, there was a loud sound that echoed through the night. The animal's papers were on the floor. Books were outside of the room. Love was in the air. Glass was on the ground. Water was everywhere. The ceiling was gone. The carpet was clean. The pictures of the animals were on the ceiling. The moon on the mirror was beautiful. The fruits on the table were colorful. Sounds in the room were everywhere and nowhere at the same time. Shelves filled the library.
Explanation: