Abu Qilabah reported: Abu Darda, may Allah be pleased with him, said, “Be as you will, for as you judge you shall be judged.”
Source: al-Zuhd li-Aḥmad Ibn Ḥanbal 765
عَنْ أَبِي قِلابَةَ قَالَ قَالَ أَبُو الدَّرْدَاءِ رضي الله عنه كُنْ كَمَا شِئْتَ كَمَا تَدِينُ تُدَانُ
765 الزهد لأحمد بن حنبل