The Prophet ﷺ said to the Ansar, "After me you will see others given preference to you; so be patient till you meet me, and your promised place (of meeting) will be the Tank (i.e. Lake of Kauthar). (Using translation from Bukhārī 3793)
قَالَ رَسُولُ اللهِ ﷺ لِلْأَنْصَارِ إِنَّكُمْ سَتَلْقَوْنَ بَعْدِي أَثَرَةً فَاصْبِرُوا حَتَّى تَلْقَوْنِي فَمَوْعِدُكُمُ الْحَوْضُ