Nothing is impossible for you to achieve only if you have a believe in yourself that you can do it, contemplation of mind hinders good result because you won't sure of what to choose but if you have thebpower to control your innermost of your heart and combat the fears, mission projected will definitely be fulfilled.
When you mind is filled with different things, you have to place them based on how important and unique those thought are constructively, then choose the best and plan to state your vision, mussion, target and particular time to accomplish your goal.
Nothing is impossible only your mind deceiving you.