02/27/1966
https://www.presidency.ucsb.edu...
"So, tonight, in the hope that this action will lead to early talks, I am taking the first step to deescalate the conflict."
"I don't know what my schedule will be Thursday."
"Accordingly, I shall not seek, and I will not accept, the nomination of my party for another term as your President."
"Tonight, I renew the offer I made last August--to stop the bombardment of North Vietnam."