Heart of a Dog

by Mikhail Bulgakov

'By kindness. The only possible method when dealing with a living creature. You'll get nowhere with an animal if you use terror, no matter what its level of development may be.

This, doctor, is what happens when a researcher, instead of keeping in step with nature, tries to force the pace and lift the veil.

The whole horror of the situation is that he now has a human heart, not a dog's heart. And about the rottenest heart in all creation!'