“Progress is impossible without change, and those who cannot change their mindscannot change anything.”

George Bernard Shaw (1856 to 1950, an Irish playwright, film and theatre critic, and polemicist). He won the Nobel Prize in Literature in 1925.

Reference

The Nobel Foundation (1925) George Bernard Shaw. Available  from World Wide Web: http://www.nobelprize.org/nobel_prizes/literature/laureates/1925/shaw-bio.html. [Accessed: 24 July, 2016].