Understanding the Old Testament is an important help in understanding the New.
And the social reflection of the mores of the two Testaments has a lot of similarities.
Churches have become cold as a godless modernism has been adopted.
There is so much info that requires deep reflection and contemplation that it can not be simply read as one would read literature--this is a common mistake made by atheists.
Its a challenge. Just as, I believe, any Christian that reads the Gospels and is not shaken to his core is not reading it correctly.