The biggest enemy of great is good. Being good in a thousand different areas doesn’t lead to greatness or success. However, focusing on just a couple or even one area will. If you were to categorize the tasks you completed in a day by great, good, or waste of time, which category would fill up the fastest?
The key to mediocrity is never putting off until tomorrow what you can do today. The key to success is never putting off until tomorrow what you can put off forever. Focus your time on things leading to greatness.