Group 1 - The core argument emphasizes that knowledge alone does not guarantee investment success, as many professionals fail to convert their expertise into consistent profits due to an imbalance between mindset and knowledge [1][2] - The Efficient Market Hypothesis suggests that asset prices reflect all available information, making it difficult for investors to achieve excess returns solely based on knowledge [2][3] - Historical events, such as the 2008 financial crisis, illustrate that even top financial institutions with advanced models could not avoid systemic risks, highlighting the impact of irrational behavior among individual investors [3][4] Group 2 - The investment philosophy of successful investors like Warren Buffett demonstrates that psychological factors play a crucial role, with a significant portion of investment success attributed to mindset rather than just technical knowledge [4][5] - Developing a professional investment mindset requires systematic training, including establishing a risk recognition framework and adhering to strict investment discipline [5][6] - The future of investing will favor those who can balance in-depth research with emotional control, as the ability to navigate market psychology is essential for long-term success [6]