Jeremiah 17:9

The heart is deceitful above all things, and desperately wicked: who can know it?
— Jeremiah 17:9, King James Version

In other translations

World English Bible (WEB)

The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?

American Standard Version (ASV)

The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?

Young's Literal Translation (YLT)

Crooked <FI>is<Fi> the heart above all things, And it <FI>is<Fi> incurable--who doth know it?