Hasan said to me, "I will never go back to any of it again."
حدثنا سليمان بن حرب قال حدثنا حماد بن زيد
قال لي الحسن ما أنا بعائد إلى شيء منه أبدا
No references are available.
[Its chain is sahih] Lalikai narrated it in Sharh al-Sunnah: 4/681, no. 1252, from the hadith of Sulayman bin Harb through this route.