John 4:24
God is a Spirit: and they who worship him, must worship him in spirit and in truth.
Matthew 6:5-8
And when thou prayest, be not as the hypocrites: for they love standing in the synagogues and at the corners of the streets, to pray, that they may make a shew to men. Verily I say unto you, That they have their reward.
Matthew 23:13
Wo unto you, scribes and Pharisees, hypocrites! because ye shut up the kingdom of heaven from men; for ye yourselves enter not in, and those who were coming in, ye suffer not to enter.
John 14:23
Jesus answered and said to him, If any man love me, he will observe 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. Make clean your hands, ye sinners; and purify your hearts, ye double-minded.
1 John 3:20-22
For should our heart condemn us, God is greater than our heart, and knoweth all things.