II Chronicles 6:30 NLT - "...for You alone know each human heart."
Psalm 7:9 NLT - "...For You look deep within the mind and heart, O God."
Psalm 14:2 NLT - "The Lord looks down from heaven on the entire human race..."
Psalm 44:21 NLT - "God would surely have known it, for He knows the secrets of every heart."
Psalm 94:10,11 NLT - "He punishes the nations--won't He also punish you? He knows everything--doesn't He also know what you are doing? The Lord knows people's thoughts; He knows they are worthless!"
Psalm 139:1-4 NLT - "O Lord, you have examined my heart and know everything about me. You know when I sit down or stand up. You know my thoughts even when I'm far away. You see me when I travel and when I rest at home. You know everything I do. You know what I am going to say even before I say it, Lord."
There are more passages indicating that there is no way that anyone can hide from God!