'Innocency' in the Bible

hath not he himself said to me, She is my sister! and she, even she herself, said, He is my brother; in the integrity of my heart, and in the innocency of my hands, I have done this.'

I wash in innocency my hands, And I compass Thine altar, O Jehovah.

Only -- a vain thing! I have purified my heart, And I wash in innocency my hands,