Core Insights - The article emphasizes the importance of deliberate practice in achieving mastery in any field, including investing, as illustrated by the "10,000-hour rule" proposed by Malcolm Gladwell [1] - Warren Buffett's investment success is attributed to over 60 years of dedicated practice, accumulating more than 50,000 hours of experience, which has shaped his investment thinking [1] Group 1: Investment Thinking Development - Buffett's cognitive "muscle" is developed through daily reading and analysis, allowing him to understand modern business models and competitive landscapes [2] - The decision-making "muscle" is strengthened through gradual exposure to real market conditions, where Buffett learns to make rational choices amidst uncertainty and reviews his investment decisions for continuous improvement [2] - Emotional control is crucial for investors, especially during market volatility, and Buffett's ability to remain calm and rational during crises, such as the 2008 financial crisis, exemplifies this skill [3] Group 2: Learning and Practice - Investors must commit over 10,000 hours to learning and practicing investment strategies, as mere effort without direction may lead to poor outcomes [4] - The article advises against the illusion of quick wealth and encourages a focus on systematic self-training, including daily reading, analysis, and regular reviews [4] - Continuous deliberate practice is essential for developing investment decision-making as a "muscle memory," leading to sustained profitability over time [4]