Religion itself cannot but be dynamic which is why "return" is an incorrect term. A return to the forms of religion which perhaps existed a couple of centuries ago is absolutely impossible. On the contrary, in order to combat modern materialistic mores, as religion must, to fight nihilism and egotism, religion must also develop, must be flexible in its forms, and it must have a correlation with the cultural forms of the epoch.
Aleksandr SolzhenitsynI dedicate this to all those who did not live to tell it. And may they please forgive me for not having seen it all nor remembered it all, for not having divined all of it - from The Gulag Archipelago
Aleksandr SolzhenitsynCommunist propaganda would sometimes include statements such as "we include almost all the commandments of the Gospel in our ideology". The difference is that the Gospel asks all this to be achieved through love, through self-limitation, but socialism only uses coercion. This is one point.
Aleksandr Solzhenitsyn