When someone speak or talk about something, by listening carefully if you could and are able to make out their intention about the talk and its content/subject, even if they do not mention it (intention), even then in that matter you could make out : what is good or bad, what is right or wrong, and what is spiritual and what is not spiritually good or appropriate. And, whereas, all these measurements would be in percentage level, and NOT necessarily in absolute level.
Spirituality and philosophy for seekers