"A story is a way to say something that cannot be said any other way."
Play is the language of childhood, and books should speak that language too.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
许多人害怕改变,但是如果把它视作天经地义的事,也就释然了。
Facing challenges requires courage to overcome difficulties and turn crises into development opportunities.