I believe that with enough practice and good faith, you can learn to recognize when the work is achieved.
Dreams say what they mean, but they don't say it in daytime language.
Something's your vocation if it keeps making more of you.
Some things arrive in their own mysterious hour, on their own terms and not yours, to be seized or relinquished forever.
How easy it was to make people happy, when you didn't want or need anything from them.
I'm always aware that I risk being taken for a neurasthenic prima donna when I explain to someone who wants 'just a little' of my time that five minutes of the wrong kind of distraction can ruin a working day.