"The dog has an enviable mind; it remembers the nice things in life and quickly blots out the nasty.
"

"You need eyes that tell the dog who watches them what you are feeling toward it, even though the message may be hidden from the outside world. Above all, you nee telepathy so that the dog thinks with you. These things are not always born in people. They can be developed as any sense or gift can be developed. That is, providing the person wishes to develop them is honest in mind, because with animals you cannot cheat..."