Learn to focus and you will get more things done everyday.
By concentrating on the task at hand and blocking out all other thoughts you will achieve mastery over time. Whatever time it takes the unfocused mind to finish a task, the focused will need less of it. By utilizing less time to get a job done, you can get more out of the 24 hours given to you.
The simplest way you can practise to focus is to sit still and just concentrate on your breathing. Just listen to the sound of your own breathing, in and out. In the beginning it will be difficult not to think anything at all but have patience and you will be rewarded. When other thoughts enters your mind, do not fight it, let it come and go and you start again and keep at it
The focused mind is a potent weapon and your best ally in this game called life.