The righteous shall rejoice when he seeth the vengeance. As the good man is pained when he sees the ungodly prosper, so he cannot but feel a certain satisfaction and pleasure when punishment overtakes him. Dante says—
"O Signor mio, quando saro io lieto
A veder la vendetta, che nascosa
Fa dolce l'ira tua nel suo segreto?"
('Purg.,' 20:94-96.)
He shall wash his feet in the blood of the wicked (comp. Psalms 68:24; Isaiah 63:1-19 :35. It is observable that David, personally, was too indulgent, rather than too severe, towards offenders.