Core Viewpoint - The article discusses the concept of investment proficiency and the importance of having a systematic approach that is logically sound and practically successful over time [1]. Group 1 - The definition of "practice" in investment is finding a logical and practical approach that consistently yields success [1]. - The question of how many years it takes to develop investment skills is deemed useful for beginners to understand their progress and avoid impatience [1]. - The article touches on the issue of overproduction in the current era and the phenomenon of "involution" in various sectors [1].

Group 1 - The concept of "practice makes perfect" is defined as finding a logical and practical approach that can consistently succeed [1] - Investment is viewed broadly, encompassing all legal means of making money, rather than just stock trading [2] - The journey of investment is continuous, with each stage representing a version of improvement, akin to software updates [1][3] Group 2 - Many investors have experienced a long learning curve, with some taking over a decade to stabilize their investment strategies [4][5] - The importance of risk management and disciplined execution is emphasized, with some investors reporting significant improvements in their returns after adopting these principles [7] - The sentiment that investment strategies are constantly evolving and require ongoing learning is prevalent among investors [15]