Core Philosophy - Stoicism, a 2000-year-old Greek philosophy, emphasizes happiness, peace, and wisdom in life [3] - A key principle of Stoicism is differentiating between what we can and cannot control, focusing on self-control and adapting to uncontrollable situations [5][6] - The philosophy advocates for adapting to circumstances like water, as Bruce Lee's quote "Be water, my friend" suggests, to navigate unforeseen events [6][10][11] Practical Application - Stoicism can be applied to everyday life, helping individuals manage unexpected events such as flight delays or accidents [9][10] - The speaker's personal experience with delayed flights and livestock incidents demonstrates the practical application of Stoicism in managing stress and focusing on solvable issues [4][5][7][8] - The speaker emphasizes the importance of appreciating the present moment and loved ones, as life is unpredictable [11] Key Takeaway - Happiness is not about controlling everything, but about having the wisdom to care for what truly matters [11] - The world is constantly changing, and individuals must adapt to it rather than expecting it to adapt to them [10]