Personality is and does something...It is what lies behind specific acts and within the individual
Gordon AllportReason adapts impulses and beliefs into the real world; rationalization, on the other hand, adapts the concept of reality to the impulses and beliefs of the individual. Reasoning discovers the true cause of our acts, rationalization finds good reasons for justifying our acts.
Gordon AllportWe cannot know the young child's personality by studying his systems of interest, for his attention is as yet too labile, his reactions impulsive, and interests unformed. From adolescence onward, however, the surest clue to personality is the hierarchy of interests, including the loves and loyalties of adult life.
Gordon Allport