What does Psalm 64:6 say about evil?
What does Psalm 64:6 reveal about the nature of human wickedness?

Scripture Focus

Psalm 64:6: “They devise injustice and say, ‘We have perfected a secret plan.’ For a man’s inner thoughts and heart are mysterious.”


Layers of Evil Exposed in One Verse

• Deliberate scheming—“They devise injustice” shows sin is not merely impulsive but carefully crafted (cf. Micah 2:1).

• Pride in wicked success—“We have perfected a secret plan” reveals a boastful spirit that finds satisfaction in evil (cf. Proverbs 21:24).

• Hidden depths—“A man’s inner thoughts and heart are mysterious” underscores the deep, unseen seat of corruption (cf. Jeremiah 17:9).


The Heart as the Command Center

• Jesus pinpoints the heart as the source of sins (Mark 7:21-23).

Genesis 6:5 records that “every inclination of the thoughts of his heart was altogether evil all the time,” echoing Psalm 64:6’s diagnosis.

Proverbs 4:23 urges guarding the heart precisely because its currents direct life, for good or ill.


The Illusion of Secrecy

• Plots may be “secret,” yet God sees and knows (Psalm 94:11; Hebrews 4:13).

• Wicked people confuse hiddenness from humans with hiddenness from God, proving their spiritual blindness.


Self-Deception and Boasting

• Declaring a plan “perfected” ignores the certainty of divine judgment (Psalm 64:7-9).

• Pride magnifies sin: it is not enough to do wrong; the wicked glory in their craftiness (cf. Obadiah 3).


Practical Takeaways

• Sin operates most powerfully when it is plotted, rationalized, and concealed—vigilance must therefore begin at the thought level.

• God’s omniscience strips away the fantasy of hidden evil; confession and repentance are the wise response.

• The Psalm invites believers to trust God’s justice while keeping personal hearts transparent before Him (Psalm 139:23-24).

How can we guard against the 'plots' mentioned in Psalm 64:6 today?
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