Wise advice on action

The best way to complete a project is to stop thinking about it and start doing something - David Allen
At its heart, this quote is about breaking the paralysis of over-analysis. It's the switch from being a passive planner to an active doer.
Defining what done means is one of the Meaning Factcheck Usage

Wise advice on clarity

Defining what done means is one of the most important things you can do - David Allen
At its core, this is about creating a clear, physical finish line for every single task you take on. It's the difference between "work on project" and "draft the first three slides."

What clarity means

Things rarely get stuck because of lack of time. They get stuck because the doing of them has not been defined - David Allen
At its core, this quote means that procrastination isn't a time management problem; it's a clarity problem. The real barrier is the mental fog surrounding the task itself.

Action Quote

It’s not knowing what to do, it’s doing what you know - Tony Robbins
The core message here is brutally simple: The primary barrier to success is rarely a lack of knowledge, but almost always a failure to act on the knowledge you already possess.