This quote describes Sonya and Raskolnikov's love for each other. Sonya believed that confessing is the best choice. Raskolnikov confesses and feels relieved and happy. He is finally free from all his mental, emotional and physical suffering.
It's your choice to decide whether to drown in your troubles or to courageously survive. Because the harder the troubles the more spirited you become in the end ~The deeper the mud the more beautiful the lotus blooms~