This quote by Epictetus highlights the resilience of individuals with strong physical and mental constitutions. Those who possess a robust physical body can endure significant temperature changes, demonstrating the importance of physical strength in adapting to environmental challenges. Similarly, individuals with a sound mental state are better equipped to navigate the complexities of emotions such as anger, grief, and joy, illustrating the necessity of emotional endurance in life.

Epictetus emphasizes that both physical and mental fortitude are essential for enduring life's challenges. The ability to withstand extremes, whether they be climatic or emotional, is a hallmark of a person in good health. This perspective encourages individuals to cultivate both their physical well-being and their emotional stability, recognizing the interconnection between the two in facing the various trials life presents.