Jeremiah 4:3-4

3For thus says the  Lord to the men of Judah and Jerusalem:

a  Break up your fallow ground,
and b  sow not among thorns.
4 c  Circumcise yourselves to the  Lord;
remove the foreskin of your hearts,
O men of Judah and inhabitants of Jerusalem;
d  lest my wrath go forth like fire,
and burn with none to quench it,
e  because of the evil of your deeds.”

Ezekiel 18:31

31 f  Cast away from you all the transgressions that you have committed, and g  make yourselves a new heart and a new spirit! h  Why will you die, O house of Israel?

Matthew 15:8

8 i  “‘This people honors me with their lips,
but their heart is far from me;

John 4:24

24God is spirit, and those who worship him must worship in spirit and truth.”
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