夏桀好商纣就是没有任用天下之贤士而遭到杀身之祸吗?所以说∶“赠送国宝,不如举荐贤能的人才。” 
书籍是心灵的窗户,透过它们我们可以看到更广阔的世界。
The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.