Are you really saying that this quote is commonly held opinion of Christians? If you think so, then I feel sorry for you.
So we take the average of Christians to find out what is right?
Do Christians follow the New Testament? What does this verse mean?
Luke 14:26 If any man come to me, and hate not his father, and mother, and wife, and children, and brethren, and sisters, yea, and his own life also, he cannot be my disciple.