Ecclesiastes 11:9

9 aRejoice, O young man, in your youth, and let your heart cheer you in the days of your youth. bWalk in the ways of your heart and cthe sight of your eyes. But know that for all these things dGod will bring you into judgment.

Jeremiah 17:9

9 The heart is deceitful above all things,
and desperately sick;
who can understand it?

Mark 7:21-23

21For from within, out of the heart of man, come evil thoughts, sexual immorality, theft, emurder, adultery, 22coveting, wickedness, deceit, fsensuality, genvy, hslander, ipride, jfoolishness. 23 kAll these evil things come from within, and they defile a person.”

Hebrews 3:12-13

12Take care, brothers, lest there be in any of you an evil, unbelieving heart, leading you to fall away from lthe living God. 13But mexhort one another every day, as long as it is calledtoday,” that none of you may be hardened by nthe deceitfulness of sin.

Hebrews 10:38

38 obut my righteous one shall live by faith,
and if he shrinks back,
my soul has no pleasure in him.”

James 1:14-15

14But each person is tempted when he is lured and enticed by his own desire. 15Then desire pwhen it has conceived gives birth to sin, and qsin when it is fully grown brings forth death.

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