A wealth of evidence could be adduced to support this from the studies of dreams and fantasies made by the Freudian school of psychologists. 沃尔特·李普曼.政治序论.
Psychologists have scarcely begun to study the citizen side of the individual man. 赫伯特·乔治·威尔斯.世界史纲.
On the traces of this brilliant in cursion of the natural philosopher into the realm of mental science, later psychologists must follow but haltingly. 李贝.西洋科学史.
The Freudian school of psychologists calls this sublimation. 沃尔特·李普曼.政治序论.
All our experiences have a phase of cut and try in them--what psychologists call the method of trial and error. 约翰·杜威.民主与教育.