It is narrated from Sayyiduna Abu Hurayrah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Paradise has a hundred levels, and between every two levels is a distance like that between the earth and the heaven. The highest level among them is al-Firdaws, and from it the rivers of Paradise flow forth. So when you ask Allah, ask Him for al-Firdaws." This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), but they did not record it. It also has a sahih shahid (supporting narration) with this same chain from Abu Hurayrah and Abu Sa'id (may Allah be pleased with them both).

It is narrated from Sayyiduna Abu Hurayrah and Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) said something similar (to the previous hadith). Similarly, this hadith is also narrated with a sahih chain from Sayyiduna Ubadah bin al-Samit (may Allah be pleased with him).

It is narrated from Sayyiduna Ubadah bin al-Samit (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Paradise has a hundred levels; between every two levels is a distance like that between the earth and the heaven. The highest level among them is al-Firdaws, and from it the rivers of Paradise flow forth. So when you ask Allah, ask Him for al-Firdaws."

It is narrated from Sayyiduna Abdullah bin Amr (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Indeed, in Paradise there are upper chambers whose outside can be seen from the inside and whose inside can be seen from the outside." Sayyiduna Abu Malik al-Ash'ari (may Allah be pleased with him) said: O Messenger of Allah! For whom are they? He (peace and blessings be upon him) said: "They are for those who speak gently and pleasantly, who feed others, and who spend the night praying (voluntary prayer) while people are asleep." This hadith is sahih (authentic) on the condition of the two Shaykhs (Bukhari and Muslim), since both of them used Huyayy (Abu Abd al-Rahman al-Madhhiji) as evidence, but they did not record it.