Be constant and improve
When you’re starting out, it’s normal to feel bad when you compare yourself to other artists who are better than you. But talent is nothing without discipline: those guys are good because they’ve failed thousand of times before. Because of that, never think that you aren’t good enough to reach their level. Just stay quiet in the shadows, learn from the masters and paint as much as you can. The only way to improve is by painting. And when you become a master, continue painting, because the learning process never ends.