David reminds us that the only truly flawless judgements come from God: 

Psa 9:4  For you have judged in my favor; from your throne you have judged with fairness. 

David knew that despite his adversaries, which were full of lies and corruption; God was going to see David through the storm, and God certainly did.  David beat Saul, Goliath and multiple coups from within his own kingdom and this was all done by the hand of God. 

We revisit the point that governments, courts and judges today can be as flawed as the heads of state were back then, but God is the supreme judge and God weighs all things and looks favorably upon rulers, bosses and governments that give fair verdicts and conduct their business without corruption.

Proverbs 11:9 warns our leaders against such shadiness – The LORD detests dishonest scales, but accurate weights find favor with him.

Heading back to what David says, The Lord Judges with total fairness because nothing gets passed God!  This should be a reality check for us regular Joe’s too, we may be able to hide our sins from those close to us, but there is no hiding it from God, He sees it all.