积阴德必有阳报

1. • doing good deeds in secret will eventually bring rewards

     saying

Character by character

• 积(jī)amass
• 阴(yīn)surname Yin
• 德(dé)Germany
• 必(bì)certainly
• 有(yǒu)have
• 阳(yáng)positive
• 报(bào)report