Lyndon Johnson actually said...

Our efforts to increase efficiency and economy in the executive branch, we ought to be as unsatisfied as a little boy's appetite.

Buy only what you must buy and get the best price you can.

I want you personally to take command of developing the information to help us define the problems that we must deal with in our budget next...

We should never relax our efforts to give the American people a dollar's worth of value for a dollar spent.