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。
The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.
Keep it simple, repeat simple things.
In mathematics, the art of proposing a question must be held of higher value than solving it.