Your opportunity to make a better tomorrow is . . . right now! Look at it this way: what you experienced today resulted from a long series of yesterdays. So it only makes sense that the actions you take today will either contribute to your progress tomorrow, or delay you. How could four words be more succinct?
A design depicting the quest of Roland Deschain, last of Arthur Eld's line, to catch Marten Broadcloak and eventually find and enter The Dark Tower.
"The man in black fled across the desert. and the Gunslinger followed."