Time.

 Not everyone in this world has the privilege of time. You can't always say "I failed to even make an attempt at accomplishing this today, but not to worry, there's always tomorrow", because sometimes, "tomorrow" does not come. The days might very well pass, but that does not guarantee you completing your tasks at hand. There is a saying that goes "whatever you want to get done tomorrow, get it done today. Whatever you want to get done today, get it done right away". There really isn't much of an explanation that is necessary to elaborate that quote. It is simple and straightforward. Time does not wait. For anyone, for any reason, no matter how valuable the reason or the person. You have this blip between life and death to tell your story to the world. Make sure you tell it your way, before you run out of time. Make sure your regrets are only of the things you've done and not of the things you failed to do. This is me being real and not me being an arrogant asshole. I apologize for the profanity but I hope my point got across.

Love, peace.