deliberately keep on sinning...

If we deliberately keep on sinning 
   after we have received the knowledge of the Truth,
NO sacrifice for sin is left,
but only fearful expectation of judgement and of raging fire
that will consume the enemies of God.  

Anyone who rejected the law of Moses died
without mercy on the testimony of two or three witnesses.  
How much more severely 
   do you think a man deserves to be punished
who has trampled to Son of God under foot,
who has treated as an unholy thing the blood of the covenant
that sanctified him, and
who has insulted the Spirit of Grace?

Hebrews 10:26-29