Narrated Sahl bin Sa'd: Allah's Apostle said, "In Paradise there is a tree so big that in its shade a rider may travel for one hundred years without being able to cross it."
Hadith Referenceصحيح البخاري / كتاب الرقاق / 6552
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة