Madhudviṣa: Prabhupāda, was the appearance of Lord Nṛsiṁha-deva predicted in the śāstras, in the Vedas, or does the Lord appear any time His devotees are in dire need for His protection?
Prabhupāda: No. It is generally said that whenever there is discrepancies in the matter of discharging religious principles and whenever there is too much prominence of irreligiosity, at that time the Lord appears. Yadā yadā hi dharmasya (BG 4.7). This is stated in the Bhagavad-gītā. So because it is... Just like as soon as there is some riotous condition in any quarter or any part of the city, there is police action immediately. So this is God's kingdom, either this material or spiritual.