Lyndon Johnson actually said...

I knew that they were confident of your love.

I hope, too, that your hearts may be filled with peace within, as your country so earnestly seeks peace in the world.

I told His Holiness that America welcomed his efforts to bring an end to the strife and sorrow.

I wanted to promise him--as I have promised you, my fellow Americans--that the disappointments we had known in the past would never deter us...