It is reported that Sufyān b. ‘Uyainah – Allāh have mercy on him – said:
Verily, the Messenger of Allāh ﷺ is the highest standard; things are measured by him: his character, lifestyle and behavior. Whatever agrees with [these] is true and correct, and whatever contradicts [them] is wrong.
It is reported that ‘Umar b. Al-Khattāb – Allāh be pleased with him – said:
Do not be impressed by the twitter of an individual. But one who fulfils his duty and trust, and refrains from [transgressing against] the honor of people is the real man. … More WISE SAYINGS OF THE SALAF – ON CHARACTER – RIGHTEOUS PREDECESSOR SPEECH