Speech on the Game Laws (1843), quoted in G. M. Trevelyan, The Life of John Bright (London: Constable, 1913), pp. 125-126. 
1840s
                                    
“The present condition of the farmers and labourers of this country is the severest condemnation of the Corn-laws that can possibly be produced…let the farmer perfectly understand that his prosperity depends upon that of his customers—that the insane policy of this House has been to ruin his customers, and that acts of Parliament to keep up prices are mere frauds to put rents into the landlords' pockets, and enable him to juggle his tenants.”
             Speech http://hansard.millbanksystems.com/commons/1843/may/15/abolition-of-the-corn-laws-adjourned in the House of Commons (15 May 1843). 
1840s
        
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Richard Cobden 56
English manufacturer and Radical and Liberal statesman 1804–1865Related quotes
                                        
                                        Dispatch to Brig. Gen. Stephen Hurlbut (July 1862)<!-- published where? --> 
1860s, 1862, Dispatch to Stephen A. Hurlbut (July 1862) 
Context: No rebels shall be allowed to remain at Davis Mill so much as an hour. Allow them to go, but do not let them stay. And let it be known that if a farmer wishes to burn his cotton, his house, his family, and himself, he may do so. But not his corn. We want that.
                                    
Thaer, cited in: Joseph Rogers Farmers Magazine Volume The Seventh http://books.google.com/books?id=8OnG6xwQkesC&pg=PA263, 1843, p. 263: Speaking of lease and covenants
“Forgive him, for he believes that the customs of his tribe are the laws of nature!”
                                        
                                        Act II; sometimes paraphrased as: The customs of your tribe are not laws of nature. 
1890s, Caesar and Cleopatra (1898) 
Variant: Pardon him, Theodotus: he is a barbarian, and thinks that the customs of his tribe and island are the laws of nature. 
Context: THEODOTUS: Caesar: you are a stranger here, and not conversant with our laws. The kings and queens of Egypt may not marry except with their own royal blood. Ptolemy and Cleopatra are born king and consort just as they are born brother and sister.
BRITANNUS (shocked): Caesar: this is not proper.
THEODOTUS (outraged): How!
CAESAR (recovering his self-possession): Pardon him, Theodotus: he is a barbarian, and thinks that the customs of his tribe and island are the laws of nature.
                                    
Source: (1776), Book I, Chapter X, Part II.
                                        
                                        1910s, The New Nationalism (1910) 
Context: Conservation means development as much as it does protection. I recognize the right and duty of this generation to develop and use the natural resources of our land; but I do not recognize the right to waste them, or to rob, by wasteful use, the generations that come after us. I ask nothing of the nation except that it so behave as each farmer here behaves with reference to his own children. That farmer is a poor creature who skins the land and leaves it worthless to his children. The farmer is a good farmer who, having enabled the land to support himself and to provide for the education of his children, leaves it to them a little better than he found it himself. I believe the same thing of a nation.
                                    
                                        
                                         Speech http://hansard.millbanksystems.com/commons/1843/feb/17/distress-of-the-country-adjourned-debate in the House of Commons (17 February 1843). 
1840s
                                    
“Oxen. The farmer used his oxen.”
                                        
                                        |Irwin 
Brian Regan Live (1997)
                                    
                                        
                                         Speech http://hansard.millbanksystems.com/commons/1844/mar/12/protective-duties-the-agricultural in the House of Commons (12 March 1844). 
1840s