Our Christian churches are full of Russians who never gave up, who worshipped in secret and who kept the faith during all those dark years that they had to live under, and let's say it: it was a Godless, atheistic man-made philosophy called Communism. God will always save a remnant for Himself.
What a testimony those Russians have - being surrounded by evil and not succumbing to it's evil and godless ways. Where evil abounds, grace much more abounds.
Those Russians knew no one can steal from them what's in their hearts. It wasn't head knowledge to them, The Truth was cemented in their hearts.