Image, Let there always be a preponderance of mercy with you, even though

Let there always be a preponderance of mercy with you, even though you don’t feel such mercy in yourself, as God has for the world … A cruel and merciless heart is never purified. A merciful man is the doctor of his own soul, because as it were a by a strong wind from is heart he drives out the darkness of the passions.

Isaac of Nineveh