Philo of Alexandria: the head is the 'master limb,' the 'chief' part, like a citadel where the sovereign mind dwells

Philo, a contemporary of Paul and influential Jewish writer, called the head the 'master limb of the members,' the 'first, highest, and principal part,' comparing it to 'the citadel of a king' with 'its occupant in the sovereign mind,' and called it 'the dwelling place of reason.' Philo clearly believed the head controlled the body, which is relevant to how Paul's audience would have understood head metaphors.