"The opening up of new markets, foreign or domestic, and the organizational development… incessantly revolutionizes the economic structure from within, incessantly destroying the old one, incessantly creating a new one. That process of creative destruction is the essential fact about capitalism."  Joseph Schumpeter (1883-1950), American economist and political thinker of Austrian origin, in his book Capitalism, Socialism and Democracy, 1942.

"Every change is a menace to stability.  That's another reason why we're so chary of applying new inventions. Every discovery in pure science is potentially subversive; even science must sometimes be treated as a possible enemy. Yes, even science." Aldous Huxley (1894-1963), British author of the 1932 futuristic novel Brave New World, ch.16.

"Technological progress has merely provided us with more efficient means for going backwards." Aldous Huxley (1894-1963), British author, in his essay 'Adonis and the Alphabet', 1956.

"Our entire much-praised technological progress, and civilization generally, could be compared to an axe in the hand of a pathological criminal." Albert Einstein (1879-1955), German-born theoretical physicist, 1917.

"Artificial Intelligence (AI) is probably the most important thing humanity has ever worked on. I think of it as something more profound than electricity or fire." Sundar Picha (1972- ), chief executive officer (CEO) of Alphabet Inc. and of its subsidiary Google, in 2018.