The Messenger of Allah ﷺ said, "Who will take these words from me and act upon them, or teach someone who will act upon them?"Abu Hurairah said, "I did, Messenger of Allah."So he took my hand and counted off five things, saying, "Avoid what is forbidden and you will be the most devoted of people. Be content with what Allah has allotted you and you will be the richest of people. Be good to your neighbor and you will be a true believer. Love for people what you love for yourself and you will be a true Muslim. And do not laugh too much, for excessive laughter deadens the heart."
حدثنا بشر بن هلال الصواف البصري حدثنا جعفر بن سليمان عن أبي طارق عن الحسن
قال رسول الله ﷺ من يأخذ عني هؤلاء الكلمات فيعمل بهن أو يعلم من يعمل بهن فقال أبو هريرة فقلت أنا يا رسول الله فأخذ بيدي فعد خمسا وقال اتق المحارم تكن أعبد الناس وارض بما قسم الله لك تكن أغنى الناس وأحسن إلى جارك تكن مؤمنا وأحب للناس ما تحب لنفسك تكن مسلما ولا تكثر الضحك فإن كثرة الضحك تميت القلب
[Its chain of transmission is daif]. Ahmad (2/310) also reported it through Jafar bin Sulayman with the same chain. Abu Tariq is unknown (per Tartib), and Hasan Basri used an ambiguous transmission form. Part of the hadith has corroborating narrations in Ibn Majah (no. 4193, 4217) and elsewhere.