20 years across market cycles of Bulls and Bears; Uncle8888 is finding harder and harder to understand these common investing lessons/wisdom prescribed by many investment writers! 1. It’s impossible to predict the market 2. Stay focused on long-term returns It may be true for someone who has accumulated some investing capital from their savings and just begins to invest for the first time. Don't try to predict the market and start investing! But; for veteran retail investors who have been through one or more market cycles themselves may know that that these two lessons may not be really wise! 1. It’s impossible to predict the market 2. Stay focused on long-term returns Yes. It is impossible to predict the market; but the next market crash will certainly and definitely happen! Unless some Gurus can come out with a solid model to construct a defensive investment portfolio that will NOT plunge 30% to 50% from the last peak value of...