You can have anything you want if you want it badly enough. You can be anything you want to be, do anything you set out to accomplish if you hold to that desire with singleness of purpose.
Abraham Lincoln
The fundamental qualities for
The fundamental qualities for good execution of a plan is first; intelligence; then discernment and judgment, which enable one to recognize the best method as to attain it; the singleness of purpose; and, lastly, . . . stubborn will. Ferdinand Foch