Invention Concept

Famous quotes containing the words invention and/or concept:

“We have much studied and much perfected, of late, the great civilized invention of the division of labour; only we give it a false name. It is not, truly speaking, the labour that is divided; but the men.”
—John Ruskin (1819–1900)

“The concept of a mental state is primarily the concept of a state of the person apt for bringing about a certain sort of behaviour.”
—David Malet Armstrong (b. 1926)