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Abu Bakra said that he came to the Prophet (ﷺ) when he was bowing, so he bowed before joining the row, after which he went to it. He mentioned that to the Prophet, and he said, “God increase your eagerness! But don’t do it again." Bukhari transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَبِي بَكْرَةَ أَنَّهُ انْتَهَى إِلَى النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ وَهُوَ رَاكِعٌ فَرَكَعَ قَبْلَ أَنْ يَصِلَ إِلَى الصَّفِّ ثُمَّ مَشَى إِلَى الصَّفِّ. فَذَكَرَ ذَلِكَ لِلنَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَقَالَ: «زَادَكَ اللَّهُ حِرْصًا وَلَا تعد» . رَوَاهُ البُخَارِيّ
sunnah.com