John Adams to Thomas Jefferson, 25 August 1787

 All the Perplexities, Confusions and Distresses in America arise not from defects in their Constitutions or Confederation, not from a want of Honour or Virtue, So much as from downright Ignorance of the Nature of Coin, Credit and Circulation.—

https://founders.archives.gov/documents/Jefferson/01-12-02-0064