Full Sharh — Sahih al-Bukhari 5070
حَدَّثَنَا يَحْيَى بْنُ قَزَعَةَ، حَدَّثَنَا مَالِكٌ، عَنْ يَحْيَى بْنِ سَعِيدٍ، عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ بْنِ الْحَارِثِ، عَنْ عَلْقَمَةَ بْنِ وَقَّاصٍ، عَنْ عُمَرَ بْنِ الْخَطَّابِ ـ رضى الله عنه ـ قَالَ قَالَ النَّبِيُّ صلى الله عليه وسلم " الْعَمَلُ بِالنِّيَّةِ، وَإِنَّمَا لاِمْرِئٍ مَا نَوَى، فَمَنْ كَانَتْ هِجْرَتُهُ إِلَى اللَّهِ وَرَسُولِهِ فَهِجْرَتُهُ إِلَى اللَّهِ وَرَسُولِهِ صلى الله عليه وسلم وَمَنْ كَانَتْ هِجْرَتُهُ إِلَى دُنْيَا يُصِيبُهَا أَوِ امْرَأَةٍ يَنْكِحُهَا، فَهِجْرَتُهُ إِلَى مَا هَاجَرَ إِلَيْهِ ".
English Translation
Narrated `Umar bin Al-Khattab:The Prophet (ﷺ) said, "The rewards (of deeds) are according to the intention, and everybody will get the reward for what he has intended. So whoever emigrated for Allah's and His Apostle's sake, his emigration was for Allah and His Apostle; and whoever emigrated for worldly benefits, or to marry a woman, then his emigration was for the thing for what he emigrated for
Source
Sahih al-Bukhari(صحيح البخاري)
Wedlock, Marriage (Nikaah)
Hadith Number
5070