Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates: He learned of this statement of the Prophet (peace and blessings of Allah be upon him): "Allah Almighty says: I have prepared for My righteous servants that which no eye has seen, no ear has heard, and no human heart has ever conceived." (Sayyiduna Abu Hurairah (may Allah be pleased with him) says, or perhaps the Prophet (peace and blessings of Allah be upon him) said:) Its confirmation is found in Allah Almighty's Book (this verse): "No soul knows what has been hidden for them of comfort for eyes as reward for what they used to do."
Hadith Referenceصحیح ابن حبان / كتاب البر والإحسان / 369
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح - «الروض» (1177): ق.فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح، إبراهيم بن بشار: هو الرمادي أبو إسحاق البصري حافظ روى له أبو داود والترمذي، ومن فوقه ثقات من رجال الشيخين.