He is no more diligent than you. 
              He is not more diligent than you.
no less than = as much as  意为：“竟有…之多，多达”，强调多

              not less than             意为“不少于，至少”，为客观的描述

no less … than           前后均为肯定，意为：“正是，和…一样, 多达，应有…之多”

              His son has read no less than 50 English books.
              His son has read not less than 50 English books.
              The middle-aged man was no less a person than the new minister.
              Her voice is no less sweet than it used to be.  
 
Science moves forward, they say, not so much through the insights of great men of genius as because of more ordinary things like improved techniques and tools.
interest               兴趣；关心；利息           interests                  利益；利害
instruction            指导；指示                         instructions           用法说明(书)；操作指南
lesson                功课；课                         lessons                  课程；教训
liability               责任；义务                         liabilities                  债务    
manner               举止；方式                         manners                  礼貌，风度；规矩，风俗
mass                  大量；团，块               masses            群众；质量
measure             尺寸，大小                         measures                  措施，办法
minute                分钟                            minutes                  会议记录