Construct a valid statement using the word "heresy".
Heresy is an opinion or doctrine that is fundamentally at odds with the established and orthodox beliefs of a particular religion.
Complete the following task based on the instruction and optional input provided.### Instruction:
Construct a valid statement using the word "heresy".

### Output:
Heresy is an opinion or doctrine that is fundamentally at odds with the established and orthodox beliefs of a particular religion.