Negative Capability, that is, when a man is capable of being in uncertainties, mysteries, doubts, without any irritable reaching after fact and reaso… - Oliver Burkeman

For the Stoics, then, our judgments about the world are all that we can control, but also all that we need to control in order to be happy; tranquility results from replacing our irrational judgments with rational ones

The harder you struggle to fit everything in, the more of your time you'll find yourself spending on the least meaningful things. … The reason for this effect is straightforward: the more firmly you believe it ought to be possible to find time for everything, the less pressure you'll feel to ask whether any given activity is the best use for a portion of your time. Whenever you encounter some potential new item for your to-do list or your social calendar, you'll be strongly biased in favor of accepting it, because you'll assume you needn't sacrifice any other tasks or opportunities in order to make space for it … If you never stop to ask yourself if the sacrifice is worth it, your days will automatically begin to fill not just with more things, but with more trivial or tedious things, because they've never had to clear the hurdle of being judged more important than something else.

Attachment, this argument runs, is the only thing that motivates anyone to accomplish anything worthwhile in the first place. If you weren't attached to things being a certain way, rather than another way – and to feeling certain emotions, rather than others – why would you ever attempt to thrive professionally, to better your material circumstances, to raise children, or to change the world?