Jeremiah 17:9, 10: With man this is impossible

With man this is impossible,
Himself aright to know,
God only can the depths reveal
Of our infernal woe:
T'hou dost in purity delight,
Most holy, Lord, Thou art,
And yet Thou bear'st that hideous sight,
A naked, human heart.
Omniscient God, to man declare
His heart unsearchable,
And show us, as our souls can bear,
A glimpse of our own hell.
That glad out of our souls to run,
And take the blessing given,
We in Thy manifested Son
May find our present heaven.