John Kennedy actually said...

"Well, I don't know--I am familiar with the general thesis of Professor Rock."

"Well, I'll be glad--you and I share--I would be glad to check into it and find out if there is anything that is improper about it."

"The United States made proposals for intensification of the negotiations and suggested some procedures by which those negotiations might be speeded up."

"Well, I don't want to say anything that will prejudice Secretary Harriman's trip."