individualism (n.)
"self-centered feeling," 1827, from individual + -ism. As a social philosophy (opposed to communism and socialism) first attested 1851 in writings of J.S. Mill.
A majority can never replace the individual. ... Just as a hundred fools do not make one wise man, a heroic decision is not likely to come from a hundred cowards. [Adolf Hitler, "Mein Kampf," 1933]