“Average companies give their people something to work on. In contrast, the most innovative organizations give their people something to work toward.”

Source: Outliers: The Story of Success

Original Spanish: "Compañeros obreros y campesinos, esta es la Revolución socialista y democrática de los humildes, con los humildes y para los humildes. Y por esta Revolución de los humildes, por los humildes y para los humildes estamos dispuestos a dar la vida."
On 16 April 1961, in a funeral oration in Vedado for victims of the air raids the day before, Fidel Castro referring to the January 1959 Cuban Revolution. Quoted in José Ramón Fernández. 2001. Playa Giron/Bay of Pigs: Washington's First Military Defeat in the Americas, p. 56

Source: Rich Dad, Poor Dad

Source: East of Eden

Source: The Girl in the Flammable Skirt

Source: The Last Lecture (2008), Chapter 7: I Never Made it in the NFL, pp. 36 - 37

Source: Tribes: We Need You to Lead Us

Spoken at an abandoned colliery, November 19, 1936. Often wrongly quoted as "something must be done".
Source: Matthew, H. C. G., ‘Edward VIII [later Prince Edward, duke of Windsor] (1894–1972)’, Oxford Dictionary of National Biography, Oxford University Press, Sept 2004; online edn, Jan 2008 accessed 21 Nov 2008 http://www.oxforddnb.com/view/article/31061,

This has sometimes appeared in paraphrased form as: "The aim of art is to destroy the curse of labour by making work the pleasurable satisfaction of our impulse towards energy, and giving to that energy hope of producing something worth the exercise".
Signs of Change (1888), The Aims of Art