Lyndon Johnson actually said...

"Under and by virtue of the authority vested in me as President of the United States of America, particularly with respect to the conduct of the foreign relations of this Nation"

"American ingenuity and determination are constantly being applied to improve and expand this system."

"Americans have just cause to celebrate the progress that has been made in highway transportation in this Nation."

"And you asked only that you might leave when a permanent director had been selected."