Be merciful unto me: they censure me grievously, and conclude my case to be desperate; but, Lord, do thou vindicate me, and confute them. That I may requite them; or, and I will requite them, i.e. punish them for their malicious, and perfidious, and wicked practices; which, being now a magistrate, he was obliged to revenge, Romans 13:4; although when he was a private person, he was so far from revenging evil, that he rendered good for it, as we see, Psalms 35:12,13, and elsewhere.
Related Commentaries of Psalms 41:10
Psalms 41:10
10 But thou, O LORD, be merciful unto me, and raise me up, that I may requite them.