The ultimate measure of a man is not where he stands in moments of comfort and convenience， but where he stands at times of challenge and controversy.

I usually say what Ireally think. A great mistake nowadays, it makes one so liable to be misunderstood.

当课堂只追求“有趣”，知识就失去了厚度。

"To write is to embark on a journey into the unknown, where every word is a step into uncharted territory."