John Powell quotes
John Kotter quotes
Anthony Robbins quotes (American advisor to leaders)
Sydney J. Harris quotes (American Journalist and Author, He wrote a syndicated column, Strictly Personal, from 1944-86. 1917-1986)
Joseph Priestley quotes (English Chemist and Clergyman, 1733-1804)
Epictetus quotes (Greek philosopher associated with the Stoics, AD 55-c.135)
Dr. Laurence J. Peter quotes (American "hierarchiologist", Educator and Writer, 1919-1990)
Bill Cosby quotes (American Actor, Comedian and Producer. b.1937, Philadelphia, Pennsylvania, USA)
Brian Tracy quotes (American television host)
