Consistency.
"What have you done today to achieve your goals?"A terrifying question I ask myself every day. Don't waste yourself on a 10500 things to do, but focus on what will really lead you to YOUR goal. Winners progress consistently, not randomly. Working for 3 days, and then forgetting all about it won't take you anywhere. Consistent progression is about committing to your goals as well as disciplining yourself (your brain, first off).