It is narrated from Sayyiduna Mu'ayqib (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The Fire of Hell has been made unlawful for the person who is gentle-natured, mild-mannered, easygoing and approachable."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 17957