One of the most famous Warren Buffett quotes is, “be greedy when others are fearful and fearful when others are greedy.” The times when there is the most greed in the market occur when the bubbles are nearing their bursting points. It is during these periods that people expect everything they buy to rise in value because that has been what has happened in the recent past. This pervasive greed, according to Warren Buffet, should be an indicator of a time to sell.