Whoever seeks praise by [saying or doing] what goes against Allāh, Allāh will turn those praises back on him to blame; and whoever is bold enough to [say or do] what brings blame [from people but] is in conformity to the truth, Allāh will turn that blame into praise.
Abū Dāwūd, Al-Zuhd #494.
Have taqwā of Allāh and behave modestly (with a sense of shame), and cover yourselves; let not any of you bathe except behind a covering.
Al-Bayhaqī, Shuʿab Al-Īmān #7398.
If the people were gathered on one plain, all of them believers, except for two unbelievers amongst them, they would join each other. And if the people were gathered on one plain, all of them unbelievers, except for two believers amongst them, they would join each other.
Ibn Baṭṭah, Al-ʾIbānah Al-Kubrā 1:455
When you learn knowledge, preserve it, and do not mix it with laughter and falsehood, such that the hearts refuse (dislike) it.
Al-Khaṭīb Al-Baghdādī, Al-Jāmiʿ li-Akhlāq Al-Rāwī wa Ādāb Al-Sāmiʿ 1:232
Leave alone what you have nothing to do with, and do not speak about what does not concern you, and secure your tongue like you secure your money.
Ibn Ḥibbān Al-Bustī, Rawḍatu Al-ʿUqalāʾ 1:55.
Men are of four types: There is the man who knows and he knows that he knows. He is knowledgeable, so follow him and ask him. And there is the man who does not know, and he knows that he does not know. He is ignorant, so teach him. And there is the man who knows, but he does not know that he knows. He is heedless, so remind him. And then there is the man who does not know, but he does not know that he does not know (he thinks he knows). This is the fool (idiot), so beware of him.
Ibn ˁAbd Al-Barr, Jāmiˁ Bayān Al-ˁilm wa Faḍlihī article 1538.
I entered upon Abū Al-Dardāʾ – Allāh be pleased with him – at his home in Ḥims and found him standing in prayer at his place of prayer. When he sat for tashahhud he started to seek protection with Allāh from al-nifāq (hypocrisy). So when he had finished praying, I said “May Allāh forgive you o Abū Al-Dardāʾ, what have you got to do with nifāq?” He said, “O Allāh forgive!”, three times, and replied, “Who can feel secure from trial, who can feel secure from trial? By Allāh, a man can be tested with fitnah in a single hour and turn away from his religion.”
Al-Bayhaqī, Shuʿab Al-Īmān 1:857.
It has reached me that the scholars of old would practice what they learned when they learned it, and through practicing they would become occupied, and because of being occupied, they would be missed, and when they were missed they were sought after, and when they were sought after they would flee.
Al-Dhahabi, Siyar ʾAʿlām Al-Nubalāʾ 8:439,440
Verily, you will find the believer (muʾmin) consistent time after time, upon one way, showing the same face; [whereas] you will find the hypocrite (munāfiq) changing colors, trying to be like everyone around him, running with every wind.
Abū Bakr Al-Daynūrī, Al-Mujālasah wa Jawāhir Al-ʿIlm #1936
We used to sometimes come to a scholar and what we learned of his manners was more beloved to us than the knowledge we took from him.
Abū Nuʿaym, Ḥilyatu Al-ʾAwliyāʾ #4575