PHYSIOGNOMY, n. The art of determining the character of another by the resemblances and differences between his face and our own, which is the standard of excellence.

Ambrose Bierce (1842-1914?) American writer and journalist
“Physiognomy,” The Devil’s Dictionary (1911)
    (Source)

Originally published in the "Cynic's Word Book" column in the New York American (1905-01-11) and the "Cynic's Dictionary" column in the San Francisco Examiner (1905-03-18).