It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.
“Human speech is like a cracked kettle on which we tap crude rhythms for bears to dance to, while we long to make music that will melt the stars.”
“And, I hope now that everybody understands that the Labour Party - as it always has done - stands for free speech and individual Members of the Labour Party are entitled to exercise that free speech.”