The opinions that are held with passion are always those for which no good ground exists; indeed the passion is the measure of the holder's lack of rational conviction. Opinions in politics and religion are almost always held passionately.

Summary

This quote suggests that opinions held vehemently, particularly in the realms of politics and religion, often lack a solid logical or rational foundation. The quote implies that intense passion about an opinion may signify the absence of well-founded conviction. It implies that such opinions are driven more by emotion rather than sound reasoning, inferring that people may cling strongly to opinions that they cannot intellectually justify. Overall, the quote highlights the connection between passionate opinions and the potential absence of logical basis.