Technologies that change society are technologies that change interactions between people

…in pure mathematics the mind deal only with its own creations and imaginations. The concepts of number and form have not been derived from any source other than the world of reality. The ten fingers...

Let us not forget that revolutions are accomplished through people, although they be nameless. Materialism does not ignore the feeling, thinking, and acting man, but explains him.

Historical materialism has every reason to distinguish itself sharply from bourgeois habits of thought. Its founding concept is not progress but actualization.