A woman used to visit her, and people would speak admiringly of her devotion in worship. They mentioned this to the Prophet ﷺ, who said, "The most beloved religion to Allah is that which is performed consistently, even if it be little."
حدثنا أبو معاوية حدثنا هشام بن عروة عن أبيه
كانت امرأة تدخل عليها تذكر من اجتهادها قال فذكروا ذلك للنبي ﷺ فقال إن أحب الدين إلى الله عز وجل ما دووم عليه وإن قل
Its isnad is sahih, it has appeared many times before, and it is found in Bukhari 1/101 no. 43 (Fath) in the Book of Faith, and in Muslim 1/541 no. 782 in the Book of Travelers.