Nedham was notable as an advocate of the commercial interests of emerging capitalism in preference to the pillars of the older order. In 1652, he wrote that commercial interest "is the true zenith of every state and person...though clothed never so much with the specious disguise of religion, justice and necessity".The Case Stated Between England and the United Provinces; quoted in: Consistent with this outlook, Nedham translated John Selden's Mare Clausum (1636) as Of the Dominion or Ownership of the Sea (1652).
