Even as rigorous a determinist as Karl Marx, who at times described the social behaviour of the bourgeoisie in terms which suggested a problem in social physics, could subject it at other times to a withering scorn which only the presupposition of moral responsibility could justify.
Reinhold NiebuhrI know that the Communists are atheistic and godless, but I don't think that that's what's primarily the matter with them. What's primarily the matter with them is that they worship a false god. That's much more dangerous than when people don't believe anything; they may be confused, they may not have a sense of the meaning of life, but they're not dangerous.
Reinhold NiebuhrHistory may defeat the Christ but it nevertheless points to him as the law of life.
Reinhold NiebuhrOur dreams of bringing the whole of human history under the control of the human will are ironically refuted by the fact that no group of idealists can easily move the pattern of history toward the desired goal of peace and justice. The recalcitrant forces in the historical drama have a power and persistence beyond our reckoning.
Reinhold Niebuhr