Verse Comparison: Jeremiah 17:9
American Standard Version
The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?
Amplified® Bible
The heart is deceitful above all things, and it is exceedingly perverse {and} corrupt and severely, mortally sick! Who can know it [perceive, understand, be acquainted with his own heart and mind]?
Darby English Version
The heart is deceitful above all things, and incurable; who can know it?
King James Version
The heart is deceitful above all things, and desperately wicked: who can know it?
Revised Standard Version
The heart is deceitful above all things, and desperately corrupt; who can understand it?
Young's Literal Translation
Crooked `is' the heart above all things, And it `is' incurable -- who doth know it?