Better be the head of an ass than the tail of a horse．
宁为鸡头，不为凤尾。
Out of sight，out of mind．
眼不见心不烦。
Bitter pills may have wholesome effects．
良药苦口利于病。
Business is business．
公事公办。
Business before pleasure．
先苦后甜／先办正事。
By uniting we stand；by dividing we fall．
团结则昌，分裂则亡。
Care and diligence bring luck．
细心勤奋，幸福之本。
Character iS the first and last word in the success．
品德是成功的决定因素