Sort:  

exactly, and that's why they can't accomplish anything.

They just overthink that what if this happens, what if...so many what ifs until they lost their time and opportunity.

It is called "paralysis by analysis".

There is a time to stop reading, researching, and thinking, instead opting for doing.

Oh I heard that before and never realized that that's it.

People should learn doing than overthinking.

Yep. Make a quick decision and take action.