![[Quotes#^039a55]] Epictetus introduces the concept of the [[Dichotomy of Control]]: we have control over internal things, while external things are beyond our control. He argues that the most important decision in life is whether to focus on what we can control or what we cannot. According to Epictetus, focusing on the uncontrollable leads to misery, while focusing on what we can control brings tranquility. Irvine expands on this idea, suggesting a [[Trichotomy of Control]]: we may have complete control, partial control, or no control over different aspects of life. We have complete control over our goals, values, and ultimately, our character. We have partial control over most things in life, such as achieving our goals and living according to our values. Setting external goals is meaningful only when they align with what we fully control. Otherwise, these goals can hinder performance and negatively impact our emotions. By minimizing the impact of failure, you can embrace it more often, thereby increasing your chances of success.