Lyndon Johnson actually said...

Unity still is--and unity will always be-the genius of our greatness.

We know this morning that the United States has achieved fully the leadership we have sought for free men.

And I assure you that in your efforts to strengthen the Alliance you will always be able to depend upon the fullest support and cooperation ...

If we continue to give you support without any tinge of partisanship, you will give us the leadership and ultimately the supremacy in an are...