Psalm 11:2

For look, the wicked bend their bows; they set their arrows against the string to shoot from the shadows at the upright in heart.

For look, the wicked bend their bows 
2 Samuel 22:35  "He (the LORD) trains my hands for battle; my arms can bend a bow of bronze."
Psalm 7:11-12  God is a righteous judge, a God who displays his wrath every day. If he does not relent, he will sharpen his sword; he will bend and string his bow.

they set their arrows against the strings 
Psalm 7:13  He (God) has prepared his deadly weapons; he makes ready his flaming arrows.
Psalm 58:7  Let them vanish like water that flows away; when they draw the bow, let their arrows fall short.

to shoot from the shadows 
Psalm 10:8-9  He (the wicked man) lies in wait near the villages; from ambush he murders the innocent. His eyes watch in secret for his victims; like a lion in cover he lies in wait. He lies in wait to catch the helpless; he catches the helpless and drags them off in his net.

at the upright in heart 
Job 33:3  "My words come from an upright heart; my lips sincerely speak what I know."
Psalm 7:10  My shield is God Most High, who saves the upright in heart.

(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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