"A heresy can spring only from a system that is in full vigor"

This quote by Eric Hoffer recommends that a heresy, or an opinion or action that breaks the accepted beliefs of a group, can just originate from a system that is strong and well established. This indicates that a system needs to be strongly established and accepted by a bulk of individuals prior to a heresy can emerge. This is due to the fact that a heresy is an obstacle to the existing system, and if the system is weak or not commonly accepted, then there is no requirement to challenge it. Therefore, a heresy can only come from a system that is in full vitality, as it is the only system that is strong enough to be challenged. This quote likewise recommends that a strong system is essential for development, as it is just when a system is strong enough to be challenged that new ideas and innovations can be introduced.