If compassion and mercy are not compatible with politics then something is the matter with politics.
But a faithful believer will in all circumstances mediate on the mercy and fatherly goodness of God.
There is a God inside my PC. An Old-Testament God with lots of arbitrary rules and utterly no mercy.
God is rich in mercy. I know this wealth of his with the certainty of experience, I have touched it.
Our prayer and God's mercy are like two buckets in a well; while the one ascends the other descends.