It is narrated from Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "A woman is something to be concealed ('awrah), and when she goes out (of her house), Satan looks out at her; and she is closest to Allah Almighty when she is in the innermost part of her house."
Hadith Referenceالمعجم الأوسط / باب الألف / 2890
Hadith Gradingمحدثین:رجاله رجال الصحيح
Hadith Takhrij«قال الهيثمي: رجاله رجال الصحيح «مجمع الزوائد ومنبع الفوائد، ج 4، ص 314»»