Matthew 15:18-19 But those things which proceed out of the mouth come from the heart, and they defile a man. For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies.
Jeremiah 17:9 " The heart is deceitful above all things, And desperately wicked; Who can know it?
Matthew 5:27-30 "You have heard that it was said to those of old, 'You shall not commit adultery.' But I say to you that whoever looks at a woman to lust for her has already committed adultery with her in his heart. If your right eye causes you to sin, pluck it out and cast it from you; for it is more profitable for you that one of your members perish, than for your whole body to be cast into hell. And if your right hand causes you to sin, cut it off and cast it from you; for it is more profitable for you that one of your members perish, than for your whole body to be cast into hell.
Romans 7:17 But now, it is no longer I who do it, but sin that dwells in me.
Romans 7:20-21 Now if I do what I will not to do, it is no longer I who do it, but sin that dwells in me. I find then a law, that evil is present with me, the one who wills to do good.
Romans 7:23 But I see another law in my members, warring against the law of my mind, and bringing me into captivity to the law of sin which is in my members.
James 1:12-15 Blessed is the man who endures temptation; for when he has been approved, he will receive the crown of life which the Lord has promised to those who love Him. Let no one say when he is tempted, "I am tempted by God"; for God cannot be tempted by evil, nor does He Himself tempt anyone. But each one is tempted when he is drawn away by his own desires and enticed. Then, when desire has conceived, it gives birth to sin; and sin, when it is full-grown, brings forth death.
Genesis 3:6 So when the woman saw that the tree was good for food, that it was pleasant to the eyes, and a tree desirable to make one wise, she took of its fruit and ate. She also gave to her husband with her, and he ate.
Genesis 6:5 Then the LORD saw that the wickedness of man was great in the earth, and that every intent of the thoughts of his heart was only evil continually.
Deuteronomy 30:19 I call heaven and earth as witnesses today against you, that I have set before you life and death, blessing and cursing; therefore choose life, that both you and your descendants may live;
1 Corinthians 9:27 But I discipline my body and bring it into subjection, lest, when I have preached to others, I myself should become disqualified.
1 Corinthians 15:34 Awake to righteousness, and do not sin; for some do not have the knowledge of God. I speak this to your shame.
Hebrews 4:13 And there is no creature hidden from His sight, but all things are naked and open to the eyes of Him to whom we must give account.
Related Scriptures
1 John 2:16 For all that is in the world—the lust of the flesh, the lust of the eyes, and the pride of life—is not of the Father but is of the world.
Galatians 5:16 I say then: Walk in the Spirit, and you shall not fulfill the lust of the flesh.
