1.  unity  is  strength.    团结就是力量                                                                 2.easy come ，easy go。来得容易去得快                                       3.time and   tide  waits   for   man 。岁月不待人                     4.knowledge   is  power。 知识就是力量                                                                                                                                                                                                                                                                   5.the childhood shows  the man 。从小看大三岁看老                                                                        6.work    makes the   workman 。勤工出鞘将                  7.live  and      learn。 活到老学到老