三贵——清代张之洞主张读书要贵博、贵精、贵通。三读——清代梁启超看书一般为粗读,有价值的要细读,格言类的要精读。明代陆世仪主张要精读、细读、熟读。三为——培根认为读书之用一为怡神旷心,二为增趣添雅,三为长才益智。 Three expensive - Zhang Zhidong in Qing Dynasty advocated reading Bo, expensive, expensive pass. Third Reading - Liang Qichao read a book in the Qing Dynasty is generally read thick, valuable reading, motto class to be intensive reading. In the Ming Dynasty, Lu Shixi advocated intensive reading, reading and reading. Three is - Bacon think reading one for the heart of God, two for the pleasure of Tim, three for long talent.