In mathematics, the journey is just as important as the destination; the process of discovery is where the real learning happens.

言语有治愈和毁灭的力量。

Words are the wings of thought, and poetry is their highest flight.

一个人的力量有时可能超过千百人的力量，君子之人不能没有这种戒心；我何必怕他，大丈夫不能没有这种志向。