What is important for Christians is to do what Jesus said to do - love your neighbor, don't judge others, in all things do to others as you would have them do to you, etc.
Drop the writings of Paul and read the words of Jesus in the Gospels, there you will find what is important for Christians.
They've been waiting a long time, even tho' he promised to return in the lifetimes of those who heard his voice.... Those folks are all dead. Was 'jesus' just funnin' 'em and playin' with their heads?