The best of' the deeds or deed is the (observance of) prayer at its proper time and kindness to the parents.  

عَنِ النَّبِيِّ ﷺ قَالَ أَفْضَلُ الأَعْمَالِ أَوِ الْعَمَلِ الصَّلاَةُ لِوَقْتِهَا وَبِرُّ الْوَالِدَيْنِ  

“The Prophet ﷺ was asked: ‘Which prayer is best?’ He said: ‘That with the longer Qunut.’”  

سُئِلَ النَّبِيُّ ﷺ أَىُّ الصَّلاَةِ أَفْضَلُ قَالَ طُولُ الْقُنُوتِ  

The Messenger of Allah ﷺ was asked about the prayer which was most excellent. He said: That in which the standing is longer. (This hadith is narrated by another chain of transmitters too.) (Using translation from Muslim 756b)  

سُئِلَ رَسُولُ اللهِ ﷺ أَيُّ الصَّلَاةِ أَفْضَلُ؟ قَالَ طُولُ الْقُنُوتِ  

[Machine] I said, "O Messenger of Allah, which actions are the best?" He replied, "Prayer at its prescribed time."  

قُلْتُ يَا رَسُولَ اللهِ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ الصَّلَاةُ لِوَقْتِهَا  

[Machine] The Messenger of Allah ﷺ was asked, "Which deeds are the best?" He replied, "Praying on time."  

سُئِلَ رَسُولُ اللهِ ﷺ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ الصَّلَاةُ لِوَقْتِهَا  

[Machine] She heard the Messenger of Allah ﷺ and a man asked him about the best deeds. The Messenger of Allah ﷺ responded, "Prayer at its appointed time."  

أَنَّهَا سَمِعَتْ رَسُولَ اللهِ ﷺ وَسَأَلَهُ رَجُلٌ عَنْ أَفْضَلِ الْأَعْمَالِ؟ فَقَالَ رَسُولُ اللهِ ﷺ الصَّلَاةُ لِأَوَّلِ وَقْتِهَا  

[Machine] The Messenger of Allah ﷺ said, "Pray the prayer at its prescribed time."  

قَالَ رَسُولُ اللهِ ﷺ صَلِّ الصَّلَاةَ لِوَقْتِهَا  

[Machine] The messenger of Allah ﷺ said: "The best prayer of a person is in his own house, except for the obligatory ones."  

قَالَ رَسُولُ اللهِ ﷺ أَفْضَلُ صَلَاةِ الْمَرْءِ فِي بَيْتِهِ إِلَّا الْمَكْتُوبَةَ  

[Machine] The Messenger of Allah ﷺ was asked, "Which action is the best?" He replied, "Offering the prayer at its earliest time."  

سُئِلَ رَسُولُ اللَّهِ ﷺ أَيُّ الْعَمَلِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ فِي أَوَّلِ وَقْتِهَا»  

[Machine] I asked the Messenger of Allahﷺ which actions are the best? He replied, "Prayer at its appointed time."  

سَأَلْتُ رَسُولَ اللَّهِ ﷺ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ فِي أَوَّلِ وَقْتِهَا»  

Prayer at its appointed hour. I (again) said: Then what? He (the Holy Prophet) replied: Kindness to the parents. I (again) said: Then what? He replied: Earnest endeavour (Jihad) in the cause of Allah. And I would have not ceased asking more questions but out of regard (for his feelings). (Using translation from Muslim 85a)  

سَأَلْتُ النَّبِيَّ ﷺ أَيُّ الْعَمَلِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ لِوَقْتِهَا»  

[Machine] I asked, "O Messenger of Allah, which deeds are the best?" He said, "Praying at the earliest time of its prescribed period."  

قُلْتُ يَا رَسُولَ اللَّهِ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ فِي أَوَّلِ وَقْتِهَا»  

[Machine] I asked the Prophet ﷺ , "Which deeds are the best?" He replied, "Performing prayers on time, and then striving in the cause of Allah."  

سَأَلْتُ النَّبِيَّ ﷺ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ فَقَالَ «الصَّلَاةُ لِوَقْتِهَا ثُمَّ الْجِهَادُ فِي سَبِيلِ اللهِ»  

[Machine] I asked the Prophet ﷺ which deeds are the best. He said, "Praying at the appointed time, then being kind to one's parents, then striving in the cause of Allah."  

سَأَلْتُ النَّبِيَّ ﷺ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ لِوَقْتِهَا ثُمَّ بِرُّ الْوَالِدَيْنِ ثُمَّ الْجِهَادُ فِي سَبِيلِ اللهِ»  

[Machine] I asked the Messenger of Allah ﷺ which action is best. He said, "Offering prayers in their earliest time, being dutiful to parents, and striving in the path of Allah."  

سَأَلْتُ رَسُولَ اللهِ ﷺ أَيُّ الْعَمَلِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ لِأَوَّلِ وَقْتِهَا وَبِرُّ الْوَالِدَيْنِ وَالْجِهَادُ فِي سَبِيلِ اللهِ»  

[Machine] I said, "Oh Messenger of Allah, which action is the best?" He said, "Praying on time."  

قُلْتُ يَا رَسُولَ اللهِ أَيُّ الْعَمَلِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ لِوَقْتِهَا»  

[Machine] About Umm Farwah, she had pledged allegiance to the Prophet ﷺ. She said, the Messenger of Allah ﷺ was asked, "Which deeds are the most virtuous?" He replied, "Praying in its earliest prescribed time."  

عَنْ أُمِّ فَرْوَةَ وَكَانَتْ قَدْ بَايَعَتِ النَّبِيَّ ﷺ قَالَتْ سُئِلَ رَسُولُ اللهِ ﷺ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ قَالَ «الصَّلَاةُ فِي أَوَّلِ وَقْتِهَا»  

[Machine] The Messenger of Allah, ﷺ , said, "The most beloved deeds to Allah are the prayers in their designated time."  

قَالَ رَسُولُ اللهِ ﷺ «أَحَبُّ الْأَعْمَالِ إِلَى اللهِ ﷻ الصَّلَاةُ فِي أَوَّلِ وَقْتِهَا»  

[Machine] The messenger of Allah ﷺ was asked, "Which action is the best?". He replied, "Prayer at its earliest time."  

سُئِلَ رَسُولُ اللهِ ﷺ وَأَنَا أَسْمَعُ أَيُّ الْأَعْمَالِ أَفْضَلُ؟ فَقَالَ «الصَّلَاةُ لَأَوَّلِ وَقْتِهَا»  

[Machine] The Messenger of Allah ﷺ said, "The best charity is to reconcile between people."  

قَالَ رَسُولُ اللهِ ﷺ «أَفْضَلُ الصَّدَقَةِ إِصْلَاحُ ذَاتِ الْبَيِّنِ»  

The best of' the deeds or deed is the (observance of) prayer at its proper time and kindness to the parents. (Using translation from Muslim 85e)   

"أفْضَلُ الأعَمالِ الصَّلاةُ لِوَقتِها، وبرُّ الوَالدين" .  

"أفضلُ الأعمالِ الصَّلاةُ في أوَّلِ وَقتِهَا" .  

" سُئِلَ رَسُولُ اللَّهِ ﷺ أَىُّ الأَعْمَالِ أَفْضَلُ؟ قَالَ: الصَّلَاةُ فِى أَوَّلِ وَقْتِهَا".