Psalm 7:3-5

LORD my God, if I have done this and there is guilt on my hands--if I have repaid my ally with evil or without cause have robbed my foe--then let my enemy pursue and overtake me; let him trample my life to the ground and make me sleep in the dust.

LORD my God, if I have done this and there is guilt on my hands 
Isaiah 59:3  For your hands are stained with blood, your fingers with guilt. Your lips have spoken falsely, and your tongue mutters wicked things.

if I have repaid my ally with evil or without cause have robbed my foe 
Psalm 35:7-8  Since they hid their net for me without cause and without cause dug a pit for me, may ruin overtake them by surprise--may the net they hid entangle them, may they fall into the pit, to their ruin.
Psalm 35:19  Do not let those gloat over me who are my enemies without cause; do not let those who hate me without reason maliciously wink the eye.
Proverbs 24:28  Do not testify against your neighbor without cause--would you use your lips to mislead?

then let my enemy pursue and overtake me 
Exodus 15:9  "The enemy boasted, 'I will pursue, I will overtake them. I will divide the spoils; I will gorge myself on them. I will draw my sword and my hand will destroy them.' "

let him trample my life to the ground 
2 Samuel 22:43  "I beat them as fine as the dust of the earth; I pounded and trampled them like mud in the streets."
2 Kings 9:33  "Throw her (Jezebel) down!" Jehu said. So they threw her down, and some of her blood spattered the wall and the horses as they trampled her underfoot.
Isaiah 10:6  "I send him (the Assyrian) against a godless nation, I dispatch him against a people who anger me, to seize loot and snatch plunder, and to trample them down like mud in the streets."
Lamentations 3:16  He has broken my teeth with gravel; he has trampled me in the dust.

and make me sleep in the dust 
Job 7:21  "Why do you not pardon my offenses and forgive my sins? For I will soon lie down in the dust; you will search for me, but I will be no more."

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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