“We now live in a nation where doctors destroy health, lawyers destroy justice, universities destroy knowledge, governments destroy freedom, the press destroys information, religion destroys morals, and our banks destroy the economy.”

Letter to all State Governors on a Uniform Soil Conservation Law (26 February 1937) http://www.presidency.ucsb.edu/ws/?pid=15373); this statement has sometimes been paraphrased and prefixed to an earlier FDR statement of 29 January 1935 to read: "A nation that destroys its soils destroys itself. Forests are the lungs of our land, purifying the air and giving fresh strength to our people." Though it approximates 2 separate statements of FDR, no original document in precisely this form has been located.
1930s

First attributed to Lincoln in 2002, this seems a paraphrase of a statement in the Lyceum address of 1838, while incorporating language used by Thomas E. Dewey (c. 1944), who said "By the same token labor unions can never be destroyed from the outside. They can only fail if they fail to lend their united support to full production in a free society".
Misattributed

From Terrorism & Tyranny: Trampling Freedom, Justice and Peace to Rid the World of Evil (Palgrave, 2003) http://www.jimbovard.com/Epigrams%20page%20Terrorism%20&%20Tyranny.htm

As quoted in Translation as Transhumance by Mireille Gansel (Feminist Press, 2017)

The National Times, Australia, (March 1, 1977)

Variant: There is not enough love and goodness in the world to permit giving any of it away to imaginary beings.
Source: Human, All Too Human

Du wolltest die Philosophie zerstören, und die Poesie, um Raum zu gewinnen für die Religion und Moral, die du verkanntest: aber du hast nichts zerstören können als dich selber.
“Selected Ideas (1799-1800)”, Dialogue on Poetry and Literary Aphorisms, Ernst Behler and Roman Struc, trans. (1968) #90

A cursory overview of the history of Belgium, applied to the present events, until January 1830, (Issued for the benefit of the fund for the needy relatives of the extended Volunteers from Northern Brabant) 's HERTOGENBOSCH, Ter Boek en Provinciale Courant - Drukkerij Van DE. LION en ZONEN. (Januari 1831) Quoted from Julius Caesar, Commentarii de Bello Gallico.
De Bello Gallico