The man who wins out and survives does so only because of superior science and strategy.
Claude C. HopkinsScientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly
Claude C. HopkinsThe man who wins out and survives does so only because of superior science and strategy.
Claude C. HopkinsScientific advertising has altered many old plans and conceptions. It has proved many long established methods to be folly
Claude C. Hopkins