Where Does the Bible Talk About Mortal Sin?
- By Michie
- One Bread, One Body - Catholic
- 0 Replies
The Catholic Church teaches that there are two kinds of sin: venial and mortal. While venial sin offends and wounds charity in the soul, mortal sin destroys it. Mortal sin occurs when a gravely evil act is chosen with full knowledge and freedom. The Catechism defines it as “a grave violation of God’s law” which “turns man away from God, who is his ultimate end and his beatitude” (1855). The Catechism goes on to explain that the consequence of an unrepented mortal sin is exclusion from God’s Kingdom. But where does this doctrine appear in Scripture?
Sin That is Deadly
The distinction between venial and mortal sin is grounded in the biblical idea of gradations of sin. Indeed, Sacred Scripture clearly teaches that some sins are worse than others. Here are a couple of examples:
In these passages, Jesus draws a distinction between lesser and greater sins. Some sins merit “judgment,” while others merit “the hell of fire;” some sins deserve “a light beating,” while others deserve “a severe beating.”
Continued below.
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Sin That is Deadly
The distinction between venial and mortal sin is grounded in the biblical idea of gradations of sin. Indeed, Sacred Scripture clearly teaches that some sins are worse than others. Here are a couple of examples:
Whoever then relaxes one of the least of these commandments and teaches men so, shall be called least in the kingdom of heaven . . . “You have heard that it was said to the men of old, ‘You shall not kill; and whoever kills shall be liable to judgment.’ But I say to you that every one who is angry with his brother shall be liable to judgment; whoever insults his brother shall be liable to the council, and whoever says, ‘You fool!’ shall be liable to the hell of fire. (Matt 5:19,21-22)
And that servant who knew his master’s will, but did not make ready or act according to his will, shall receive a severe beating. But he who did not know, and did what deserved a beating, shall receive a light beating. Every one to whom much is given, of him will much be required; and of him to whom men commit much they will demand the more. (Luke 12:47-48)
In these passages, Jesus draws a distinction between lesser and greater sins. Some sins merit “judgment,” while others merit “the hell of fire;” some sins deserve “a light beating,” while others deserve “a severe beating.”
Continued below.

Where Does the Bible Talk About Mortal Sin? - St. Paul Center
The Catholic Church teaches that there are two kinds of sin: venial and mortal. While venial sin offends and wounds charity in the soul, mortal sin destroys it. Mortal sin occurs when a gravely evil act is chosen with full knowledge and freedom. The Catechism defines it as “a grave violation of...