لَقَدۡ رَضِيَ اللّٰهُ عَنِ الۡمُؤۡمِنِيۡنَ اِذۡ يُبَايِعُوۡنَكَ تَحۡتَ الشَّجَرَةِ فَعَلِمَ مَا فِيۡ قُلُوۡبِهِمۡ فَاَنۡزَلَ السَّكِيۡنَةَ عَلَيۡهِمۡ وَاَثَابَهُمۡ فَتۡحًا قَرِيۡبًاۙ‏

Certainly was Allah pleased with the believers when they pledged allegiance to you, [O Muhammad], under the tree, and He knew what was in their hearts, so He sent down tranquillity upon them and rewarded them with an imminent conquest