In most of our decisions, we are not betting against another person. Rather, we are betting against all the future versions of ourselves that we are … - Annie Duke

Be picky about what you stick to. Persevere in the things that matter, that bring you happiness, and that move you toward your goals. Quit everything else, to free up those resources so you can pursue your goals and stop sticking to things that slow you down.

It's not just that we need to set more flexible goals. We ourselves also need to be more flexible in the way we evaluate success and failure.

As you build things, whether they're train tracks, or bookshelves, or relationships, or essays that you've written for classes, the endowment effect gaffs the scale even more, further escalating our commitment to failing causes.