Narrated ‘Abdullah bin ‘Amr (may Allah be pleased with him):
The Prophet Muhammad (may Allah’s peace be upon him) said:
“A Muslim is the one who avoids harming Muslims with his tongue or his hands. And a Muhajir (an emigrant) is the one who gives up (abandons) all what Allah has forbidden.”
[Sahih Bukhari; Volume 8, Book 76, Number 491]
Prophet Muhammad (may Allah’s peace be upon him):
The thing I fear for you the most is shirk al-asghar.
When he was asked what it is, he replied:
It is ar-riyaa (showing off).
[Ahmad; as quoted in 'A Manual on the Rites of Hajj,' by Sh. Alee ibn Wahf al-Qahtaani]
It is reported that Abû Hurayrah (may Allâh be pleased with him) used to say:
Whoever does not think that his speech is part of his deeds and that his character is part of his religion will be destroyed without even realizing.
[Ibn Abî Al-Dunyâ Dham Al-Kadhib wa Ahlî article 94.]
Source: Sayings of the Salaf
Reported ‘Amr ibn Sa’d (may Allah be pleased with him), that Prophet Muhammad (may Allah’s peace be upon him) said:
The Muslims who have committed the greatest offence against Muslims are those who asked about things which were not prohibited, but which became prohibited because of their questions.
[Muslim, Vol. 4, No. 5821]
Jarir bin ‘Abdullah (may Allah be pleased with him) reported:
I asked Allah’s Messenger Muhammad (may Allah’s peace be upon him) about the sudden glance (that is cast) on the face (of a non-Mahram*). He commanded me that I should turn away my eyes.
*Mahram – someone you are prohibited to marry, e.g. uncle or aunt, father or mother etc. Non-Mahram would be someone whom you could marry.
[Sahih Muslim; Book 025, Number 5372]
Abu Hurayrah (may Allah be pleased with him) once saw two men. He asked one of them, “How is this man related to you?” He replied, “He is my father.” Abu Hurayrah said:
“Do not call him by his name, do not walk in front of him and do not sit before he does.”
[Al-Bukhârî, Al-Adab Al-Mufrad. Shaykh Al-Albânî graded its chain of transmission sahîh in Sahîh Al-Adab Al-Mufrad Vol. 1 p19.]
Source: Sayings of the Salaf
Prophet Muhammad (may Allah’s peace be upon him) said:
“Fasting is not merely abstaining from eating and drinking. Rather, it is also abstaining from ignorant and indecent speech. So if anyone abuses or behaves ignorantly with you, then say: I am fasting, I am fasting.”
[Sahih: Related by Ibn Khuzaymah (no.1996) and aI-Hakim (1/430) who authenticated it. Refer to Sahihut-Targhib (no.1075).]
Narrated Abu Hurairah (may Allah be pleased with him):
The Prophet Muhammad (may Allah’s peace be upon him) said:
“Whosoever does not abandon falsehood in speech and action, then Allah the Mighty and Majestic has no need that he should leave his food and drink.”
[Sahih Bukhari; Volume 3, Book 31, Number 127]
Narrated Abu Huraira (may Allah be pleased with him):
Allah’s Apostle Muhammad (may Allah’s peace be upon him) said:
“If you knew that which I know you would laugh little and weep much.”
[Sahih Bukhari; Volume 8, Book 76, Number 492]
Narrated Anas bin Malik (may Allah be pleased with him):
The Prophet Muhammad (may Allah’s peace be upon him) confided to me a secret which I did not disclose to anybody after him. And Um Sulaim (may Allah be pleased with her) asked me (about that secret) but I did not tell her.
[Sahih Bukhari; Volume 8, Book 74, Number 304]