Critical Engagement with Ideas
Ideas should be tested rigorously rather than accepted on authority; the examined belief is stronger for having been questioned.
Stoics engaged critically with competing philosophical schools rather than simply adopting Stoic doctrine on faith. This intellectual rigor — asking why a principle is true, testing it against counter-examples, comparing it with alternatives — deepens understanding and creates genuine conviction rather than mere adherence.
Do not bite at the bait of pleasure till you know there is no hook beneath it.
Stoic critical rigor influenced the Enlightenment's commitment to reason and testing beliefs against evidence and argument.
Stoic influence on Jefferson