What does "deceitful" mean in Jeremiah 17:9, and in Jer. 7:10 what do "heart" and "reins" mean? Jeremiah Chapter 17 9 The heart [is] deceitful above all [things], and desperately wicked: who can know it? 10 I the LORD search the heart, [I] try the reins, even to give every man according to his ways, [and] according to the fruit of his doings.
Jeremiah 17:9 - 10
ESV - 9 The heart is deceitful above all things, and desperately sick; who can understand it? 10 "I the Lord search the heart and test the mind, to give every man according to his ways, according to the fruit of his deeds."
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