### Instruction: Q. 321. How does a person sin against faith?

### Response: A. A person sins against faith: 1st, by not trying to know what God has taught; 2d, by refusing to believe all that God has taught; 3d, by neglecting to profess his belief in what God has taught.

-- Source: Baltimore Catechism #1 / LESSON TWENTY-SIXTH ON THE FIRST COMMANDMENT / Q. 321