the why in writing
Find a subject you care about and which you in your heart feel others should care about [italics mine]. It is this genuine caring, and not your games with language, which will be the most compelling and seductive element in your style.
Kurt Vonnegut • Pity the Reader: On Writing with Style

Talking or writing about the things you're interested in is a good way to generate new ideas. When you try to put ideas into words, a missing idea creates a sort of vacuum that draws it out of you. Indeed, there's a kind of thinking that can only be done by writing.
How to Do Great Work
a fabulous way to get unstuck in your life is to get writing.
Allison Fallon • The Power of Writing It Down: A Simple Habit to Unlock Your Brain and Reimagine Your Life
Living life as an artist is a practice. You are either engaging in the practice or you’re not.
Rick Rubin • The Creative Act: A Way of Being
People don't want you to be perfect. What they want is to feel connected with you.
Joe Hudson • Tweet
Writing increases your rate of revelation. This is true irrespective of the subject because writing is a process of reflection, assertion, and iteration.
Writing clarifies your own ideas. Writing begets new ideas too. Writing lets you explore ideas in depth even if you won’t have time to act on them all. Writing shows people how you think and lets ... See more
Writing clarifies your own ideas. Writing begets new ideas too. Writing lets you explore ideas in depth even if you won’t have time to act on them all. Writing shows people how you think and lets ... See more
Anu • Writer-Builders
The primary task of a writer is to write well. (And to go on writing well. Neither to burn out nor to sell out.) ... Let the dedicated activist never overshadow the dedicated servant of literature — the matchless storyteller.
Susan Sontag on Storytelling, What It Means to Be a Good Human Being, and Her Advice to Writers
The best writing prompt for when I'm stuck is simply "be more honest".