Some other Scriptural passages...
"Wherefore I say unto you, All manner of sin and blasphemy shall be forgiven unto men: but the blasphemy against the Holy Ghost shall not be forgiven unto men." - Matt. 12:31
"And grieve not the holy Spirit of God, whereby ye are sealed unto the day of redemption." - Eph. 4:30
"How much more shall the blood of Christ, who through the eternal Spirit offered himself without spot to God, purge your conscience from dead works to serve the living God?" - Heb. 9:14
"Elect according to the foreknowledge of God the Father, through sanctification of the Spirit, unto obedience and sprinkling of the blood of Jesus Christ: Grace unto you, and peace, be multiplied." - 1 Pet. 1:2