Lyndon Johnson actually said...

I speak to you now as the Commander in Chief of the best military force our Nation has ever placed on the field of battle.

And if it succeeds where open aggression has failed, then men in our time will not turn from war as the means to their end.

You only have to be with them a few minutes and you know what real courage is.

But he never wavered from a conviction that all men deserve to be free and to live together as brothers.