Your friend is the one who advises you, not the one who flatters you. by Imam Shafi

Imam Shafi' (767-820 CE) was a renowned Islamic scholar,
jurist, and founder of the Shafi'i school of Islamic jurisprudence.
Born in Gaza,
he later moved to Mecca and became a student of Imam Malik.
Imam Shafi' is celebrated for his contributions to Islamic legal theory and his approach to jurisprudence,
which emphasizes the use of the Quran, Hadith, and reasoning (ijtihad) in deriving legal rulings.
His work has had a lasting impact on Islamic scholarship and remains influential in many Muslim-majority countries.