I don't mind what happens. - Oliver Burkeman

keep two to-do lists, one "open" and one "closed." The open list is for everything that's on your plate and will doubtless be nightmarishly long. Fortunately, it's not your job to tackle it: instead, feed tasks from the open list to the closed one — that is, a list with a fixed number of entries, ten at most. The rule is that you can't add a new task until one's completed. (You may also require a third list, for tasks that are "on hold" until someone else gets back to you.)

Never have I trusted Fortune,' writes Seneca, 'even when she seemed to be at peace. All her generous bounties - money, office, influence - I deposited where she could ask for them back without disturbing me.

[W]e’re living in a world with effectively infinite inputs—emails you could receive, demands that could be made of you, or ambitions that you could have. Getting better at moving through them is not going to get you to the end of them, so the promise of reaching a point at which you feel on top of everything is flawed on a math basis from the beginning.