yīn dé bì yǒu yáng bào
hidden merits will have visible rewards (idiom)
阴
yīn
variant of 陰|阴[yin1]
德
dé
variant of 德[de2]
必
bì
certainly
有
yǒu
to have; there is
阳
yáng
positive (electric.)
报
bào
to report; to inform; to announce
Review