Surah Al-Fath Verse 18 - English Translation by Mohammad Shafi
Surah Al-Fath۞لَّقَدۡ رَضِيَ ٱللَّهُ عَنِ ٱلۡمُؤۡمِنِينَ إِذۡ يُبَايِعُونَكَ تَحۡتَ ٱلشَّجَرَةِ فَعَلِمَ مَا فِي قُلُوبِهِمۡ فَأَنزَلَ ٱلسَّكِينَةَ عَلَيۡهِمۡ وَأَثَٰبَهُمۡ فَتۡحٗا قَرِيبٗا
Allah was surely pleased with the believers when they swore allegiance to you [Prophet] under the tree! HE knew what was in their minds and so He made calmness descend on them and rewarded them with a victory that was to come in near future