She knocked on many a convent door, but nowhere was she accepted. Finally on August 1, 1925, Helen crossed the threshold of the cloister in the convent of the Congregation of the Sisters of Our Lady of Mercy on Zytnia Street in Warsaw and she was accepted. In her DIARY she confessed,

"It seemed to me that I had stepped into the life of Paradise. A single prayer was bursting forth from my heart, one of thanksgiving" (Diary, 17).