Ma'mar bin Rashid معمر بن راشد · The Book of Fasting

"We were forbidden in the Quran to ask the Prophet about anything not imperative, so we liked it when a wise man from among the people of the desert came and asked him. A man from among the desert people came and said: 'O Muhammad, your messenger came to us and told us that you say that Allah, the Mighty and Sublime, has sent you.' He said: 'He spoke the truth.' He said: 'Who created the heavens?' He said: 'Allah.'…

'When Ramadan begins, the gates of Paradise are opened, the gates of Hell are closed, and the devils are chained up."

"The Messenger of Allah said: 'When Ramadan comes, the gates of mercy are opened, the gates of Hell are closed, and the devils are chained up."'

"Do not anticipate the month until you see the crescent before it, or you complete the number of days. Then fast until you see the new moon, or you complete the number of days."

"I entered upon the Prophet when he was having Sahur. He sadi: 'It is a blessing that Allah has given to you, so do not neglect it."

"Urwah bin Az-Zubair told me that 'Aishah told him: 'The Messenger of Allah went out in the middle of the night to pray in the Masjid, and he led the people in prayer; and he quoted the same Hadith, in which she said: 'He used to encourage the people to pray Qiyam n Ramadan, without insisting on that.' He said: 'Whoever spends the night of Lailat Al-Qadr in prayer out of faith and in the hope of reward, he will…

"Whoever does not have the intention of fasting before dawn, then there is no fast for him." (Daif)

"Whoever does not intend to fast before dawn comes, should not fast." (Daif)