The sin that hardens is the sin of unbelief ( apisteuo ). The sin that hardens is departing from the way of Faith and faithing .
What is departing from the way of Faith and faithing ?
It is once having received the Grace deposit or (Holy Spirit) as the result of a continual surrendered life , being one of the four soils to make it through the parable of the sower , and turning from that surrendered life "with the Holy Spirit in us , to serve ourselves once more , hardening our hearts to the point of possibly loosing the Grace deposit for good .
Understanding Faith and faithing "is" a highly suggested priority .
What is departing from the way of Faith and faithing ?
It is once having received the Grace deposit or (Holy Spirit) as the result of a continual surrendered life , being one of the four soils to make it through the parable of the sower , and turning from that surrendered life "with the Holy Spirit in us , to serve ourselves once more , hardening our hearts to the point of possibly loosing the Grace deposit for good .
Understanding Faith and faithing "is" a highly suggested priority .