Sunan Abi Dawud Book 42, Hadith 30
Al-Hasan said: I will never return to it.
If we learnt that the remark of al-Hasan would reach the extent that it has reached, we would write a book for his withdrawal and call witnesses to him; but we said: This is a remark that surprisingly came out (from him) and it will not be transmitted to others.
Al-Hasan never interpreted any Quranic verse but to establish (Divine decree).