When a believer has crossed into the domain of the spiritual he daily ought to maintain a combat attitude in his spirit, praying therewith for the overthrow of all the works of Satan done through the evil powers.
Watchman NeeFurthermore, through the believer's spirit the Holy Spirit is able to impart God's life to thirsty and dying men. However, this filling of the Holy Spirit differs from the baptism with the Holy Spirit, because the latter is for the purpose of service while the former solves the problem of life (naturally it will affect service too).
Watchman Nee