教授数学是为了激励下一代的思考者和问题解决者。

The past is never dead. It's not even past.

"Literature is the mirror of society, reflecting its virtues and vices, its hopes and fears."

Writing is about making sentences. It is about the rhythm of the sentence, the music of the sentence.

消化道是一条穿过整个生物体的管道。

"A good picture book is like a silent movie; it tells a story without words."