写作是阅读生活最深刻的方式。
The sun shone, having no alternative, on the nothing new.
因此,教学艺术无非是时间、科目和方法的巧妙安排。
Speech is the shadow of action; action is the manifestation of speech.
好奇心推动数学家前进,总是在寻找下一个要回答的问题。