The brain is the great liar because it creates all the stories, and the face only shows all the lies, defends Prof. Freitas-Magalhaes, the world's leading specialist for Neuroscience and Biobehavioral Psychology and the Encyclopedia of Human Behavior, by Elsevier, Oxford, in his pioneering and extraordinary book about the brain, the face, emotion, voice and lying, and the application of the F-M Facial Action Coding System 4.0 (F-M FACS 4.0, 2021).