John 4:24
God is a spirit; and they who worship must worship in spirit and in truth.
Matthew 6:5-8
And when ye pray, ye shall not be as the hypocrites are; for they love to pray standing in the synagogues and in the corners of the streets, that they may be seen by men. Truly do I say to you, They have received their reward.
Matthew 23:13
But woe to you, scribes and Pharisees, hypocrites I because ye shut up the kingdom of heaven against men; for ye go not in yourselves, nor suffer those who are entering to go in.
John 14:23
Jesus answered and said to him, If any one loveth me, he will keep my word; and my Father will love him, and we will come to him, and make our abode with him.
James 4:8
Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners, and purify your hearts, ye doubleminded.
1 John 3:20-22
because if our heart condemn us, God is greater than our heart, and knoweth all things.