What Is Within My Control and What I'm Outside My Control?

Manywia: Let go of what is outside your control and focus only on things you can control. Three of the greatest stoic philosophers each talk about this idea in their books, meditations by marcus aurelius, discourses by epictetus and letters to lucilius by seneca. When i see an anxious person, i ask myself, what do they want? If the person wasn't wanting something outside their own control, why would they be stricken by anxiety? Manywia: What's the use of obsessing over something that is outside of our control? Does it help in any way? Not really. All we need to do is take the next step