What is meaning of the poem below :

HE royal feast was done; the King
Sought some new sport to banish care,
And to his jester cried: "Sir Fool,
Kneel now, and make for us a prayer!"

The jester doffed his cap and bells,
And stood the mocking court before;
They could not see the bitter smile
Behind the painted grin he wore.

He bowed his head, and bent his knee
Upon the Monarch's silken stool;
His pleading voice arose: "O Lord,
Be merciful to me, a fool!

"No pity, Lord, could change the heart
From red with wrong to white as wool;
The rod must heal the sin: but Lord,
Be

Question

What is meaning of the poem below :

HE royal feast was done; the King
Sought some new sport to banish care,
And to his jester cried: "Sir Fool,
Kneel now, and make for us a prayer!"
 
The jester doffed his cap and bells,
And stood the mocking court before;
They could not see the bitter smile
Behind the painted grin he wore.
 
He bowed his head, and bent his knee
Upon the Monarch's silken stool;
His pleading voice arose: "O Lord,
Be merciful to me, a fool!
 
"No pity, Lord, could change the heart
From red with wrong to white as wool;
The rod must heal the sin: but Lord,
Be

anonymous · Answer

Here's the rest of it . . . http://cblights.com/misc/poetry/thefoolsprayer.html