John 4:24
God is a Spirit, and it behooveth those who worship Him to worship in spirit and in truth.
Matthew 6:5-8
And when you pray, be not like the hypocrites: because they love to pray standing in the synagogues and in the corners of the streets, in order that they may appear unto the people. Truly I say unto you, They exhaust their reward.
Matthew 23:13
But woe unto you, scribes and Pharisees, hypocrites! because you shut up the kingdom of the heavens against the people: for you do not go in, neither do you permit those coming in to enter.
John 14:23
Jesus responded and said to him; If any one may love me with divine love, he will keep my word: and my Father will love him, and we will come to him, and will make our mansion with him.
James 4:8
draw nigh unto God, and he draws nigh unto you. Purify your hands, ye sinners; and cleanse your hearts, ye double-minded.
1 John 3:20-22
because if our heart may condemn us, it is because God is greater than our heart, and he knows all things.