He had always given it as his opinion, that the restrictive system of commerce in this country was founded in error, and calculated to defeat the object for which it was adopted.
Source, in full
Speech in the House of Commons (8 May 1820), quoted in The Parliamentary Debates from the Year 1803 to the Present Time, Vol. I. Comprising the Period from the Twenty-First Day of April to the Twenty-Sixth Day of June, 1820 (1820), columns 182-183