Question

What does this quote mean?

in the middle of difficulty lies opportunity.Albert Einstein.

Answer 1

This means you may think you are having a hard time and no ones there to help you but really there's a good opportunity right in your face and you don't even know it

Answer 2

he just means that difficulties present opportunities.
FOR EXAMPLE:the difficulty of an unsolved math or science problem,for instance, provide the opportunity to solve the problem.
ANOTHER EXAMPLE:the difficulty of facing another runner provide you an opportunity to break record.
I HOPE YOU UNDERSTAND