to do so at the beginning of the month, in its middle, or at its end, though the optimum time for the white days is the thirteenth, fourteenth, and fifteenth. Allah alone grants success.

154 — ‘Abdullāh ibn ʿAmr ibn al-ʿĀṣ (may Allah be pleased with them) reported that the Messenger of Allah (peace and blessings be upon him) said to me: “O ʿAbdullāh, do not be like so-and-so; he used to stand for the night prayer and then abandoned the night prayer.” Agreed upon.

155 — ʿĀʾishah (may Allah be pleased with her) said: “If the Messenger of Allah (peace and blessings be upon him) missed the night prayer because of illness or any other reason, he would pray twelve rakʿahs during the day.” Narrated by Muslim.

[Commentary]
The author—may Allah have mercy on him—relates from ʿAbdullāh ibn ʿAmr ibn al-ʿĀṣ (may Allah be pleased with them) that the Prophet (peace and blessings be upon him) said to him: “O ʿAbdullāh, do not be like so-and-so; he used to stand for the night prayer and then abandoned the night prayer.” The author includes this ḥadīth under the chapter of remaining constant in obedience and persevering in it, so that a person does not discontinue it. The Prophet (peace and blessings be upon him) advised ʿAbdullāh ibn ʿAmr not to be like