What Abigail Did That Summer (Rivers of London, #5.3)

by Ben Aaronovitch

You see, the problem was that if you can talk to someone, you can argue with them. And if you argue, you can get angry. And if you get angry, you can start fighting.

“‘How can we abandon talking?’ said the path through the forest. ‘It is the one attribute that unifies us all. The mountain is not like the sky, the dog is not like the fish, the sun is not like the moon. But we all share our thoughts.’