Abu Nu’aym reported: Al-Fudayl ibn ‘Iyad, may Allah have mercy on him, said, “If you can get by without being known, do so. What is it against you if you are not praised? What is it against you that people blame you but to Allah you are praiseworthy?”
Source: Ḥilyat al-Awliyā’ 8/88
عن أبي نعيم قَالَ الْفُضَيْلُ بْنُ عِيَاضٍ رحمه الله إِنْ قَدَرْتَ أَنْ لا تَعْرِفَ فَافْعَلْ وَمَا عَلَيْكَ إِنْ لَمْ يُثْنَ عَلَيْكَ وَمَا عَلَيْكَ أَنْ تَكُونَ مَذْمُومًا عِنْدَ النَّاسِ إِذَا كُنْتَ عِنْدَ اللَّهِ مَحْمُودًا
8/88 حلية الأولياء لأبي نعيم