John 4:23-24
But a time is coming -- indeed, it is already here -- when the real worshipers will worship the Father in spirit and reality, for the Father is looking for just such worshipers.
Romans 7:22
For in accordance with my better inner nature I approve God's law,
James 4:8
Draw near to God and He will draw near to you. Get your hands clean, you sinners. Get your hearts purified, you double-minded.
1 Peter 3:4
but they must be of an internal nature, the character concealed in the heart, in the imperishable quality of a quiet and gentle spirit, which is of great value in the sight of God.
Luke 11:39
But the Lord said to him, "Now you Pharisees have the habit of cleaning the outside of your cups and dishes, but inside you yourselves are full of greed and wickedness.
2 Corinthians 1:12
For my boast is this, to which my conscience testifies, that before the world, but especially before you, I have acted from pure motives and in sincerity before God, not depending on worldly wisdom but on God's unmerited favor.