Proactive and Reactive Aspects of Constructivism: Growth and Aging in Life-Span Perspective

摘要: “All men have the stars,” he answered, “but they are not same things for different people. For some, who travelers, stars guides. others no more than little lights in sky. others, scholars, problems. my businessman were wealth. But all these silent. You—you alone—will as one else has them [Saint Exupery , T L ittle P rince ].”