What Advice Would You Give to a Film Maker?

I have lots of lists. My notes in my phone is full of lists, whether it's books to read, fill i dears, things to do, people to email, all kinds of different random things. I think my mind, i'm not very good at remembering stuff a so i just write it down,. As long as it's written down, i can always deal with it. What one thing should they what one thing can they do to day that's going to help them? It sounds like a simple answer again, but work hard. The people i've seen succeed, mainly in the film industry, because that's what i work in. But also in any term, setting