The quality of mercy is not strained.
It droppeth as the gentle rain from heaven,
Upon the place beneath.
It is twice blessed.
It blesseth him that gives and him that takes.
It is mightiest in the mightiest,
It becomes the throned monarch better than his crown.
His sceptre shows the force of temporal power,
An attribute to awe and majesty.
Wherein doth sit the dread and fear of kings.
But mercy is above this sceptred sway,
It is enthroned in the hearts of kings,
It is an attribute to God himself.
And earthly power dost become likest God's,
Where mercy seasons justice.
Therefore...
Though justice be thy plea, consider this,
That in the course of justice we all must see salvation,
We all do pray for mercy
And that same prayer doth teach us all to render the deeds of mercy.
Excerpt from The Merchant of Venice,
William Shakespeare