If children's activities are in line with their internal needs, their performance will enable us to develop what they need.
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 only thing that can stop you is you.
The essence of mathematics lies in its freedom.
The complexity of the nervous system is both a challenge and an inspiration.
