Beharrlichkeit

noun
  1. The quality of being persistent and determined in achieving a goal despite difficulties or opposition. noun
    Her Beharrlichkeit in pursuing her dreams led to her eventual success.
    Even in the face of adversity, his Beharrlichkeit never wavered.
  2. The act of continuing steadfastly or firmly in some state, purpose, or course of action, especially in spite of obstacles or discouragement. noun
    The scientist's Beharrlichkeit in research resulted in a groundbreaking discovery.
    Their Beharrlichkeit in advocating for change eventually brought about new legislation.