If fallacies come knocking at my door,I'd rather feed, and...

If fallacies come knocking at my door,I'd rather feed, and shelter full a score,Than hide behind the black portcullis, doubt,And run the risk of barring one Truth out.And if pretension for a time deceive,And prove me one too ready to believe,Far less my shame, than if by stubborn act,I brand as lie, some great colossal Fact.