“A schedule defends from chaos and whim. It is a net for catching days.” – Annie Dillard
If you don’t plan your days so that you work on the most important things, then you will find yourself dithering away the time on less important ones.
Prioritization is the master skill of high achievers. A plan (schedule) for your days is a key tool.
So what do you have planned today? Are the most important things that will make a difference tomorrow on there? What are they?