Term
Bell
Charles Bell (1774–1842), a Scottish anatomist and surgeon, author of Anatomy and Philosophy of Expression (first edition 1806). He held that some facial muscles were made specially for expressing feelings.
The Expression of the Emotions in Man and Animals, Charles Darwin
Explained in
- The Expression of the Emotions in Man and Animals, Charles Darwin
- Make Your Bed: Little Things That Can Change Your Life...And Maybe the World, William H. McRaven
A brass bell at the training camp: ringing it three times meant leaving the program. In the book, it symbolizes giving up.