Performance Principle: The forms of life demanded by social organization (Freud) which Marcuse criticizes as one-dimensional. Source: ‘What is Good? What is Bad? The Value of All Values across Time, Place and Theories’ by John McMurtry, Philosophy and World Problems, Volume I-III, UNESCO in partnership with Encyclopedia of Life Support Systems: Oxford, 2004-11. 

Personal skills: See life skills Source: Health Promotion Glossary (1998), WHO/HPR/HEP/98.1

Pessimism: doctrine according to which pain or evil outweighs pleasure or good in the universe. Source: ‘What is Good? What is Bad? The Value of All Values across Time, Place and Theories’ by John McMurtry, Philosophy and World Problems, Volume I-III, UNESCO in partnership with Encyclopedia of Life Support Systems: Oxford, 2004-11.