As a woman, she was barred from pursuing higher education, so in an act of defiance, Marie enrolled in the Floating University, a secret institution that provided clandestine education to Polish youth.
Ca femeie, i-a fost blocat  dreptul la învățământ superior, așadar, ca un act de sfidare, Marie s-a înscris la Floating University, o instituție secretă ce furniza pe ascuns educație tinerilor polonezi.