平生不做亏心事，半夜敲门心不惊 (平生不做虧心事，半夜敲門心不驚) píngshēng bù zuò kuīxīnshì, bànyè qiāomén xīn bù jīng

píngshēng bù zuò kuīxīnshì, bànyè qiāomén xīn bù jīng phrase He who never wrongs others does not fear the knock in the night. / Rest with a clear conscience.
Domain: Modern Chinese 现代汉语
Notes: (CC-CEDICT '平生不做虧心事，半夜敲門心不驚')