It makes no sense to worry about things you have no control over because there's nothing you can do about them, and why worry about things you do control? The activity of worrying keeps you immobilized. ↗
Take the first step, and your mind will mobilize all its forces to your aid. But the first essential is that you begin. Once the battle is startled, all that is within and without you will come to your assistance. ↗
One of the greatest resources people cannot mobilize themselves is that they try to accomplish great things. Most worthwhile achievements are the result of many little things done in a single direction. ↗