KEEP MOVING ON

Never stop learning. Strive to move on. There's no neutral ground in life. No one sits on d fence and gets to anywhere important in life.
After breaking the world's fastest record (which he was holding at the time), Usain Bolt has gone on to steadily win several races in different competitions against fierce opponents. You can always break new ground. He attributed his success to focus, determination, hard work and several other virtues.
The Koch brothers (Charles and David) in d Forbes top ten billionaire list are still making definite marks to increase their investments.
There are no limits for those who desire to move on to greater heights. There's a level beyond you. You simply need to use the eyes of the mind to see more opportunities around you and most importantly take advantage of it. As long as we are breathing, there's room at the top of the ladder. No success is ever enough.