首要且最伟大的胜利是战胜自己。
你送给我桃子,我就回报给你李子。意思是做人要知恩图报,不能忘恩负义。也比喻礼尚往来,相互赠送礼物。
I think you should be able to do whatever you want as long as you're not hurting anybody.
你最不满意的顾客是你最大的学习来源。