I haven't actually read this short story. But generally, if it's about a character named Maria Speidel who believes she can do anything, it might be a story of self - empowerment. Maybe Maria overcomes various obstacles in her life to prove that she can do anything she sets her mind to.
Since I don't know the specific content of 'maria speidel i can do anything', I can only make some assumptions. It could be a story about a young Maria Speidel who starts with a simple goal in life, like learning a new skill or helping someone in need. As the story progresses, she realizes that her capabilities are far greater than she initially thought. Maybe she gets involved in community projects, stands up against injustice, or pursues an unconventional career path. Through her actions, she sends a message that with the right attitude, one can do anything.