I just finished reading Eat That Frog! by Brian Tracy, and thought I'd share a few of his bits of wisdom with you. (I read the first edition, not the revised edition pictured here.)
Rule: One of the very worst uses of time is to do something very well that need not be done at all.
Rule: You can get your time and your life under control only to the degree to which you discontinue lower value activities.
The Law of Force Efficiency says that, "There is never enough time to do everything, but there is always enough time to do the most important thing."