“Narada could understand the plan of the demon, and he advised him, ‘You had better worship Lord Shiva; then you will quickly get the desired result. Lord Shiva is very quickly satisfied and very quickly dissatisfied also. So you try to satisfy Lord Shiva.’ Narada also cited instances wherein demons like Ravana and Banasura were enriched with great opulences simply by satisfying Lord Shiva with prayers.” (Krishna, The Supreme Personality of Godhead, Vol 2, Ch 33)