“The Messenger of Allah said; ‘Fast when you see it and stop fasting when you see it, and if it is obscured from you (too cloudy), then complete thirty (days).”‘
“When the Messenger of Allah , I will fight them for withholding it.’ ‘Umar said: ‘By Allah, as soon as I saw that Allah has expanded the chest of Abu Bakr to fighting, I knew that it was the truth.'”
“Fatimah went to the Prophet complaining of her hands blistering, so he ordered her to say At-Tasbīḥ, At-Takbīr, and At-Taḥmīd.”
“The Messenger of Allah said: ‘There are two characteristics over which a Muslim man does not guard, except that he enters Paradise. And indeed, they are easy, and those who act upon them are few: He glorifies Allah at the end of every prayer ten times (saying Subḥān Allāh) and praises Him ten times saying (Al-Ḥamdulillāh) and extols His greatness ten times (saying Allāhu Akbar).’”He said: “And I have seen the Messenger of Allah counting them with his hand. He said: ‘So this is one hundred and fifty with the tongue, and one thousand and five hundred on the Scale. When you go to bed, you glorify Him, extol His greatness, and praise Him a hundred times, so this is one hundred with the tongue and one thousand on the Scale. Which of you perform two thousand and five hundred evil deeds in a single day and night?’ They said: ‘How could we not guard over them?’ He said: ‘Shaitan comes to one of you when he is in his Salat and says: “Remember such and such, remember such and such” until he turns perhaps he will not do it. And he comes to him and he is lying down and makes him sleepy until he falls asleep.’”
“O you who believe! Have fear of Allah as is His due, and die not except as Muslims. (Then he said): ‘If a drop of Zaqqum were to be dropped on the earth, it would ruin the livelihood of the people of this world, so how about those who have no food other than it (i.e. Zaqqum)?’”