学习不是一个被动的过程；它涉及知识的主动构建。
Learning is not a passive process; it involves the active construction of knowledge.
The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.
我一次只担心一天的生活。
理解变化的唯一方法就是投身其中，随之而动，加入舞蹈。
The thought of death should usher us towards whatever happens to matter most to us; it should lend us the courage to pursue the way of life we value in our hearts.