“I have never asked for it, nor would I accept a pardon from President Trump.”
27 February 2019, the 6 March 2019 article by Washington Post https://www.washingtonpost.com/politics/2019/03/07/cohens-pardon-testimony-skirted-truth/ shortened this in video label to "I have never asked for, nor would I accept a pardon"
US House Oversight Committee hearing (2019)