Jami' al-Tirmidhi Chapters on the description of Paradise al-Husain bin Qays al-Rhby الحسين بن قيس الرحبي Ata' bin Abi Rabah عطاء بن أبي رباح Hameed bin Musa'da bin al-Mubarak حميد بن مسعدة بن المبارك Husayn bin Nmyr al-Kndy Thm حصين بن نمير ibn Mas'ud ibn Umar “In Paradise, there are a hundred levels, what is between every two levels is like what is between the heavens and the earth. Al-Firdaus is ts highest level, and from it the four rivers of Paradise are made to flow forth. So when you ask Allah, ask Him for Al-Firdaus.” Another chain reports a similar narration. https://parallelquran.com/hadith/jami-al-tirmidhi-2530/