If you cheat in a test, you've really only cheating yourself.
如果你在测验中作弊的话,你欺骗的只有你自己。
Every bullet has its billet.
无风不起浪。
Though my aunt pursued what was, in those days, an enlightened policy, in that she never allowed her domestic staff to work more than eight hours a day, she was extremely difficult to please.