Yahya bin Sa'id al-Ansari يحيى بن سعيد الأنصاري · The Book of Fasting

"The Messenger of Allah said: 'Take Sahur, for in Sahur there is blessing." 'Ata said: "someone who heard him told me that Ibn 'Umar (said) that the Prophet said: 'Whoever fasts every day of his life, then he has not fasted."

"Whoever spends the nights of Ramadan n prayer (Qiyam) out of faith and in the hope of reward, he will be forgiven his previous sins." '

"The Messenger of Allah said: 'Whoever fasts one day in the cause of Allah, Allah will separate between his face and the fire by (a distance of) seventy autumns in return for that day."'

"The Messenger of Allah traveled and fasted until he reached 'Usfan, then he called for a cup and drank durink the day when the people could see him. Hen he did not fast until he reached Makkah, and he conquered Makkah during Ramadan." Ibn 'Abbas said: "And the Messenger of Allah fasted until he reach Makkah, and he conquered Makkah during Ramadan." Ibn 'Abbas said: "And the Messenger of Allah fasted and broke his fast while traveling, so whoever wishes…

"The month which the Messenger of Allah most liked to fast was Shaban; indeed he used to join it to Ramadan."