One of the greatest blessing of being merciful is the heart it produces in us. When we are merciful with others, we set our hearts up to receive mercy from the Lord
Jesus called us to be at war with the Kingdom of Darkness. This requires meekness, not weakness. Meekness is God's power focused and controlled by God's Spirit and through God's Child.
Hungering and thirsting for Righteousness is for the Christian is as natural as a famished person hungering for food or drink. They'll be hungry again, the Christian will be filled.