عن عبدِ اللّه بنِ عمرو بنِ العاص رضي اللّه عنهما قال: قال لي رسولُ اللّه صَلّى اللّهُ عَلَيْهِ وسَلَّم: «يَا عبْدَ اللّه لا تَكُنْ مِثلَ فُلانٍ، كَانَ يقُومُ اللَّيْلَ فَتَركَ قِيامَ اللَّيْل». متفقٌ عليه
Abdullah ibn Amr ibn al-As (may Allah be pleased with them both) reported that the Messenger of Allah (peace be upon him) said to me: "O Abdullah, do not be like so-and-so. He used to pray at night but then abandoned the night prayer." Agreed upon (narrated by al-Bukhari and Muslim).
الدروس · lessons
استحباب المداومة على فعل الخير دون تفريط أو إفراط. الاتعاظ بمن انقطع عن طاعة، ليحرص الداخل فيها على اتخاذ ما يعينه على الاستمرار. جواز ذكر الشخص بما فيه من عيبٍ إذا قصد بذلك التحذير من صنيعه. كراهية ترك العبادة وإن لم تكن واجبة. الحضّ على صلاة اللّيل وتشمل الوتر.
It is recommended to persevere in doing good without negligence or excess. Taking a lesson from those who have abandoned an act of obedience, so that one who begins it takes precautions to ensure his continuity. It is permissible to mention a person's fault when the intent is to warn others against following his example. It is disliked to abandon a voluntary act of worship even though it is not obligatory. Encouragement to pray the night prayer, which includes the Witr prayer.