在中国文化的发展过程中,数字式的文化现象很多,尤其“三”这一数字现象更具有其广泛性。笔者撷拾几位名人读书治学之道,几乎都可以用“三”来概括之:三学——刘向,西汉经学家、目录学家、文学家,曾校阅群书,知识非常渊博。在读书上,他说:“少而好学,如日中之阳;壮而好学,如日中之光;老而好学,如秉烛之明。” In the process of the development of Chinese culture, there are many digital cultural phenomena, especially the digital phenomenon of “three” has its extensiveness. The author picks up a few celebrities to study the way of study, almost all can be summed up with the “three”: Three studies - Liu Xiang, Western Han Confucian classics, bibliographers, literary, once read the books, knowledge is very profound. In reading, he said: “There are few people who are willing to learn, such as the sun in the middle of the day; strong and eager to learn, like the light of the day; old and studious, such as a candlestick.”