Sayyiduna Abu al-Yasar (may Allah be pleased with him) said: The Messenger of Allah (peace and blessings be upon him) said: "Whoever gives respite to someone in hardship or forgives his debt, Allah will shade him in the shade of His Throne."
Hadith Referenceالمعجم الكبير للطبراني / باب الكاف / 16423