According to Brian Tracy
No matter how many personal productivity techniques you master, there will always be more to do than you can ever accomplish in the time you have available to you, no matter how much it is.
You can get control of your time and your life only by changing the way you think, work, and deal with the never-ending river of responsibilities that flows over you each day. You can get control of your tasks and activities only to the degree that you stop doing some things and start spending more time on the few activities that can really make a difference in your life.
When the levee breaks, you’ve got to run for higher ground. And the levee is always broken.