Psychologist quotes
| Author | # of quotes |
| Abraham H. Maslow | 12 |
| Albert Ellis | 2 |
| Alfred Adler | 5 |
| Alfred Binet | 1 |
| Ann McMillan | 1 |
| Anna Freud | 1 |
| B. F. Skinner | 5 |
| Beatrice Hinkle | 1 |
| Carl Gustav Jung | 60 |
| Carl Rogers | 7 |
| Cesare Lombroso | 1 |
| Claude Bernard | 2 |
| Dr. Ludwig Binswanger | 1 |
| Dr. Rex Julian Beaber | 1 |
| Dr. Wayne W. Dyer | 45 |
| Edward de Bono | 19 |
| Emile Coue | 2 |
| Eric Berne | 3 |
| Erich Fromm | 43 |
| Erik H. Erikson | 1 |
| Frantz Fanon | 3 |
| Fritz Perls | 1 |
| Gerald Jampolsky | 11 |
| Gordon W. Allport | 2 |
| Harold D. Lasswell | 1 |
| Henry Havelock Ellis | 31 |
| Ivan Pavlov | 1 |
| Joanna Field | 3 |
| Karen Horney | 2 |
| Karl A. Menninger | 16 |
| M. Scott Peck | 12 |
| Nathaniel Branden | 3 |
| R. D. Laing | 5 |
| Rollo May | 12 |
| Ruth Westheimer | 2 |
| Sigmund Freud | 51 |
| Theodor Reik | 1 |
| Theodore Isaac Rubin | 2 |
| Thomas Szasz | 30 |
| Viktor E. Frankl | 18 |
| Warren G. Bennis | 13 |
| Wilhelm Reich | 4 |