Failing to plan is planning to fail. Everything begins with a notion, a process, or a product! Building a car, for example, began with a concept, followed by discussion, assembly procedures, designer work, and so on. It’s a minor example, but it nicely encapsulates the situation: every endeavour begins with a bang! 

There is no such thing as an exceptional instance in project management! Because it is a jumbled chain of actions and commitments, it has a starting point where everything begins.

The most important part of any project is planning. It instructs organizations, partners, and project managers on how to proceed with the remaining phases of the project. It promotes goal differentiation, the avoidance of missed deadlines, the reduction of risks, the prioritizing of fundamental exercises, and the delivery of desired outcomes.

https://diveintobpm.org/benefits-of-project-planning/