Full Idea
It is the Stoics who made responsibility depend on rationality.
Gist of Idea
Stoics said responsibility depends on rationality
Source
report of Stoic school (fragments/reports [c.200 BCE]) by Richard Sorabji - Rationality 'Ethical'
Book Reference
'Rationality in Greek Thought', ed/tr. Frede,M /Striker,G [OUP 1999], p.327
A Reaction
Aristotle's account of responsibility in 'Ethics' needs a high degree of rationality, far beyond even a rational non-human animal. And no one thinks small children are responsible.