爱不是有限的资源。你给予的越多，你拥有的就越多。
The ability to change constantly and effectively is made possible by high-level strategic planning.
It is futile to demand an a priori proof of the existence of objects which are not immediately ‘given’.
实际发展水平与潜在发展水平之间的距离，前者由独立解决问题决定，后者由在成人指导下或与更有能力的同伴合作解决问题决定。
In the end, we are all just stories waiting to be told.
