Lyndon Johnson actually said...

"He has served without regard to partisanship, keeping the interest of his country foremost at all times."

"I hope that wives and mothers of every land will find in this appointment a reaffirmation of that American determination."

"From the beginning of the atomic age, the American people have been determined that the power of the atom should be used for human progress and should be used for peace."

"I want to personally express my thanks to the Ambassador for the excellent cooperation that he has given two Presidents, and for the quality of his performance on a most difficult assignment."