Sayyiduna Ammar (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) used to say: "Death is sufficient as an admonition, certainty is sufficient for the wealthy, and worship is sufficient for those who are occupied."
Hadith Referenceمسند الشهاب / 1410
Hadith Gradingمحدثین:إسناده ضعيف جدا
Hadith Takhrij«إسناده ضعيف جدا ، وأخرجه ابن الاعرابي : 992 ، شعب الايمان : 10072» ربیع بن بدر متروک ہے ، اس میں اور بھی علتیں ہیں ۔