Lord Krishna

Sanskrit - यदा यदा ही धर्मस्य ग्लानिर्भवति भारत ! अभ्युत्थानमधर्मस्य तदात्मानम सृज्याहम !! English - Whenever and wherever there is a decline in religious practice, O descendant of Bharata, and a predominant rise of irreligion--at that time I descend Myself.