Where ever you are on your journey and not matter how firm your mind already is, there is, almost always... better!
There is always sharper. More focus, more power, more clear vision.
Make of your mind your best ally, most amazing assistant in achieving anything you desire:
In function of your short and long term goals, different techniques of mental training and meditation can be of help.
You wouldn't train your body the same way, for every sport or goal - so why would you do this for your mind?
Understand your mind better and learn how to bring more structure in training it: it will become more effective every day.