According to Epictetus, there are different categories of things in our lives that we can control and those we cannot. Our opinions, choices, and desires are within our control, allowing us the freedom to act according to our will. In contrast, aspects such as our body, property, and reputation are beyond our direct control, making them susceptible to external influences.

This division emphasizes that the things we can control are inherently free and inherently ours, whereas the things we can't control tend to be weak and subject to interference. Recognizing this distinction can help us focus our energy on managing what we truly have the power over, leading to a more fulfilling life.