Beyond Human Strength
Rabbi Mendel of Rimanov once inquired of his teacher, Rabbi Schmelke of Nikolsburg: "Is it not beyond human strength to love the wicked?"
He explained: "One must love their souls."
Annother Zaddik once cried from the depth of his heart: "Would that I could love the best men as tenderly as God loves the worst."
Source: Preister der Liebe