Don't take your eye off the ball
When it comes to design, marketing, sales, engineering, leadership, goals, focus, it can be easy to lose sight of what is most important. There will always be a faster way to do things, a more efficient process, a cheaper solution, a shinier bell, or a louder whistle.
If you want something, go get it. Eliminate distractions. Remember, most things that matter are usually the simple things that are the easiest to forget.
When you take your eye off the ball, you miss.