Hamzah bin ’Amro Al-Aslami (RAA) narrated, ‘I said to the Messenger of Allah ( صلی اللہ علیہ وسلم ) ‘O Messenger of Allah ( صلی اللہ علیہ وسلم )! I find within me the strength to fast while traveling. Would there be any blame upon me if I were to do so?’ The Messenger of Allah ( صلی اللہ علیہ وسلم ) said to him, "It is a concession from Allah. Whoever takes it has done well. Whoever likes to fast, there is no blame upon him."Related by Muslim. And it's basic meaning is in Al-Bukhari and Muslim from the narration of Aisha (with the wording) "that Hamza bin 'Amro asked".

Ibn ’Abbas (RAA) narrated, ‘An elderly man is permitted to break his fast, but he must feed a poor person daily, and he does not have to make up for it.’ Related by Ad-Daraqutni and Al- hakim, who rendered it to be Sahih

Abu Hurairah (RAA) narrated that A man came to the Messenger of Allah ( صلی اللہ علیہ وسلم ) and said,“l am ruined O Messenger of Allah ( صلی اللہ علیہ وسلم )!" The Messenger of Allah ( صلی اللہ علیہ وسلم ) asked him,“What has ruined you?" The man replied, ‘I had intercourse with my wife during the day in Ramadan while fasting)’ The Prophet said to him, "Are you able to free a slave?" The man said, ‘No.’ The Prophet said, "Can you fast for two consecutive months?" He said, ‘NO.' The Prophet then asked him, "Can you provide food for sixty poor people?" He said, ‘No.’ Then the man sat down. A basket of dates was brought to the Prophet and he said to the man,“Give this as Sadaqah (voluntary charity)”The man said, ‘To someone who is poorer than us!’ There is no one in this city (Al-Madinah) who is in need of these dates more than us!’ The Prophet laughed until his molar teeth could be seen and said to the man,“Go and feed your family with these dates.”Related by the seven Imams and the wording is from Muslim.

'A’isha and Umm Salamah (RAA) narrated, The Messenger of Allah ( صلی اللہ علیہ وسلم ) would rise in the morning (when it is already Fajr time) while he was Junub (in a state of major ritual impurity due to intercourse) on a day in Ramadan. He would then perform Ghusl and fast. Agreed upon. In the narration of Muslim on the authority of Umm Salamah, ‘And he would not make up for it (that day).’

'A’isha (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "Whoever dies while he still has some fasts to make up (of the days of Ramadan), then his heir (any of them) should fast on his behalf.”Agreed upon.

Abu Qatadah Al-Ansari (RAA) narrated, ‘The Messenger of Allah ( صلی اللہ علیہ وسلم ) was asked about fasting on the day of Arafah (the 9th of the month of Dhul Hijjah). He replied, "Fasting on the day of Arafah is an expiation for the preceding year and the following year.”He was also asked about fasting on the day of Ashura (the 10th of the month of Muharram). He replied,“Fasting on the day of Ashura is an expiation for the preceding year.”The Messenger of Allah ( صلی اللہ علیہ وسلم ) was also asked about fasting on Monday, and he replied, "This is the day on which I was born and the day on which I was sent (with the Message of Islam) and the day on which I received revelation." Related by Muslim.

Abu Aiyub Al-Ansari (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said: "Whoever fasts during the month of Ramadan and then follows it with six days of Shawwal will be (rewarded) as if he had fasted the entire year." Related by Muslim.

Abu Sa'id Al-Khudri (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) said:“No servant (of Allah) fasts on a day (merely) for the sake of Allah except that Allah pushes the Hellfire seventy years further away from his face, due to fasting on this day.”Agreed upon and the wording is from Muslim.

'A’isha (RAA) narrated, ‘The Messenger of Allah ( صلی اللہ علیہ وسلم ) used to fast until one would say, he never breaks his fast (i.e. he never stops fasting), and he would abandon fasting (at other times) until one would say that he never fasts. And I never saw the Messenger of Allah ( صلی اللہ علیہ وسلم ) fast for a complete month except for the month of Ramadan, and I never saw him fast in a month more than he did in the month of Sha’ban.”Agreed upon and the wording is from Muslim.

Abu Dharr (RAA) narrated that The Messenger of Allah ( صلی اللہ علیہ وسلم ) commanded us to fast for three days of every month; that is on the days of the full moon; the 13th , 14th , and 15th (of the lunar month).’ Related by An-Nasa’i and At-Tirmidhi and rendered authentic by Ibn Hibban.