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在每个真正的人中都隐藏着一个想要玩耍的孩子。
假如孩子们的活动正好和他的内在需求相配合,孩子的表现会让我们他的发展所需。
Be civil to all; sociable to many; familiar with few; friend to one; enemy to none.
The only limit to our realization of tomorrow is our doubts of today.
Every algorithm tells a story, not just of the problem it solves, but of the ingenuity and creativity of its creator.