advice for artists

The artist as applicant is an artist who is applying for an award that offers money, a studio residency, or an honor. The artist as applicant may be nominated or may respond to an open grant application call. Sometimes there are restrictions (age, locale, gender, education). The artist as applicant often but not always, has another source of income -- a day job, a part-time job, or the actual sale of their art. Some artist as applicants rely entirely on grants for their income.
The goal most of us share is to feel good about our practice, connect with other arts professionals, and get our work out there for people to enjoy. So what is the right mindset to cultivate to enable your success and fulfillment as an artist?
In the above video for BigThink, he describes filming a scene from "Before Night Falls" as a transcendant moment where he