Sahih Muslim Book 1 Hadith # 7 (In Arabic)
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدِ بْنِ جَمِيلِ بْنِ طَرِيفِ بْنِ عَبْدِ اللَّهِ الثَّقَفِيُّ، عَنْ مَالِكِ بْنِ أَنَسٍ، - فِيمَا قُرِئَ عَلَيْهِ - عَنْ أَبِي سُهَيْلٍ، عَنْ أَبِيهِ، أَنَّهُ سَمِعَ طَلْحَةَ بْنَ عُبَيْدِ اللَّهِ، يَقُولُ جَاءَ رَجُلٌ إِلَى رَسُولِ اللَّهِ صلى الله عليه وسلم مِنْ أَهْلِ نَجْدٍ ثَائِرُ الرَّأْسِ نَسْمَعُ دَوِيَّ صَوْتِهِ وَلاَ نَفْقَهُ مَا يَقُولُ حَتَّى دَنَا مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم فَإِذَا هُوَ يَسْأَلُ عَنِ الإِسْلاَمِ فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " خَمْسُ صَلَوَاتٍ فِي الْيَوْمِ وَاللَّيْلَةِ " . فَقَالَ هَلْ عَلَىَّ غَيْرُهُنَّ قَالَ " لاَ . إِلاَّ أَنْ تَطَّوَّعَ وَصِيَامُ شَهْرِ رَمَضَانَ " . فَقَالَ هَلْ عَلَىَّ غَيْرُهُ فَقَالَ " لاَ . إِلاَّ أَنْ تَطَّوَّعَ " . وَذَكَرَ لَهُ رَسُولُ اللَّهِ صلى الله عليه وسلم الزَّكَاةَ فَقَالَ هَلْ عَلَىَّ غَيْرُهَا قَالَ " لاَ . إِلاَّ أَنْ تَطَّوَّعَ " قَالَ فَأَدْبَرَ الرَّجُلُ وَهُوَ يَقُولُ وَاللَّهِ لاَ أَزِيدُ عَلَى هَذَا وَلاَ أَنْقُصُ مِنْهُ . فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " أَفْلَحَ إِنْ صَدَقَ " .
Sahih Muslim Book 1 Hadith 7 (In English)
It is according on the authority of Talha b. 'Ubaidullah that an individual with tousled hair, one in all the folks of Najd, came to the courier of Supreme Being (Peace be upon him). we tend to detected the buzzing of his voice however couldn't totally make out what he had been spoken language, until he came nigh to the courier of Supreme Being (Peace be upon him). it had been then (disclosed to us) that he was asking queries concerning Islam.
The courier of Supreme Being (Peace be upon him) said: 5 prayers throughout the day and therefore the night. (Upon this he said: Am I obligated to mention the other (prayer) besides these? He (the Holy Prophet, ) said: No, however no matter you observe voluntarily, out of your own discretion, and therefore the fasts of Ramadan. The verbalizer said: Am I obligated to try and do the rest besides this? He (the Holy Prophet) said: No, however no matter you are doing out of your own discretion. and therefore the courier of Supreme Being told him concerning the pillar of Islam (poor-rate). The verbalizer said: Am I obligated to pay the rest besides this? He (the Holy Prophet) said: No, however no matter you pay voluntarily out of your own discretion.
The man turned back and was saying: i'd neither create any addition to the current, nor can decrease something out of it. The Prophet remarked: he's eminent, if he's faithful what he affirms.