Karsten then studied theology and philosophy at Rostock from 1750 to 1752 where he was taught by Aepinus and his brother, and at Jena from 1752 to 1754.
Karsten pagkatapos-aral ng teolohiya at pilosopiya at Rostock 1750-1752 kung saan siya ay tinuturuan sa pamamagitan ng Aepinus at ang kanyang mga kapatid na lalaki, at sa Jena 1752-1754.