सुरासुरौघगृह्योऽपि गुणहीनोऽपि दुर्मतिः ।दुराकृतिरपि क्रोधस्तत्प्रसादेन जृम्भते
In plain words
Anger -- though it is to be seized by the hosts of gods and asuras, though it is void of every good quality, evil-minded, and ill-shaped -- by his favor swells and spreads.