Hypocritical Repentance and Divine Compassion

Psalms 78:34-39

When he slew them, then they inquired after him; And they returned and sought God earnestly.

And they remembered that God was their rock, And the Most High God their redeemer.

But they flattered him with their mouth, And lied unto him with their tongue.

For their heart was not right with him, Neither were they faithful in his covenant.

But he, being merciful, forgave theiriniquity, and destroyedthemnot: Yea, many a time turned he his anger away, And did not stir up all his wrath.

And he remembered that they were but flesh, A wind that passeth away, and cometh not again.