ʿUyūn akhbār al-Riḍā
Hadith 310310 - وَبِإِسْنادِهِ قالَ: قالَ النَّبِيُ صَلَّى اللهُ عَلَيْهِوَآلِهِ: أَنْتَ يا عَلِيُّ فِي الجَنَّة وَأَنْتَ ذُو قَرنَيها.
31-310 According to the same documentation, the Prophet (S) said, “O Ali! You will be in Paradise and both ends of it are under your control.”