一心:荀子在《劝学篇》中说:“君子结于一”,就是说读书要集中精力,一心一意。 二分:梁启超提出,把每日所读之书分二类,一类需精读,一类供浏览。 三余:即三国魏人童遇常提出的“冬者岁之余”、“夜者日之余”、“阴雨者时之余”,要抓紧一切时间读书学习。 四备:读书时手边要备好字典、典故书籍、卡片和记录用笔这四种学习工具。 One heart: Xunzi in the “Encouraging Learning articles,” said: “gentleman knot in one,” that is to study to focus, wholeheartedly. Two points: Liang Qichao put forward that the book read daily divided into two categories, one kind of intensive reading, one for browsing. More than three: that is, the Three Kingdoms Wei children often proposed “winter beyond the age of”, “Night of the sun,” “When the rainy person more than”, pay close attention to all the time study and study. Four prepared: At the time of reading to prepare dictionaries, allusions books, cards and record with the pen of these four learning tools.