You can do anything in this life, but not everything.
We have so many choices in this life. Having limited time means one’s choices are the only thing that determines the quality of being able to manage the choices we make. The choices we make dictate the equity of time in contrast to the liability of being aimless in the pursuit of doing everything except focus. Focus is not only the key to the long term but can also be a lock, depending on one’s intention (or lack thereof).