Is there evidence that Mary put forth effort to strengthen her faith? There is. Consider how she listened and how she spoke. What shows that Mary was a good listener?
١٦ مَاذَا يُظْهِرُ أَنَّ مَرْيَمَ كَانَتْ تُصْغِي بِٱنْتِبَاهٍ ؟‏