Core Viewpoint - The essence of knowledge and action is intertwined, emphasizing that true knowledge manifests through action, and action must be informed by genuine understanding [1][2][3]. Group 1: Knowledge and Action - True knowledge is defined as the understanding that leads to action, and without action, knowledge is incomplete [1]. - The concept of "unity of knowledge and action" is highlighted, where genuine knowledge must be practical and applicable in real-life situations [2][3]. - The distinction between superficial knowledge and deep understanding is crucial; knowledge should not be merely academic but should have practical relevance [2][3]. Group 2: Heart and Principle - The relationship between the heart and principle is emphasized, suggesting that true understanding (principle) cannot be separated from the heart [2][3]. - The idea that "the heart is the principle" serves as a foundation for the unity of knowledge and action, indicating that a heart devoid of understanding cannot be considered genuine [3][4]. - The notion that external principles or objects are irrelevant without internal understanding reinforces the importance of self-awareness in decision-making [4][5]. Group 3: Application in Investment - In the context of investment, the importance of aligning one's heart with market principles is stressed; decisions made without genuine understanding can lead to significant losses [5]. - Emotional responses to market fluctuations are often mistaken for genuine insight, highlighting the need for a deeper understanding of market dynamics [5].