Simplify the following text for a Grade 15 native English-speaking person.
Original: The inconsistencies between traditional Epicureanism and an active approach to securing freedom ultimately could not be resolved , and during the Empire , the philosophy of political opposition tended to be Stoic .
Simplified: The inconsistencies between traditional Epicureanism and an active approach to securing freedom could not be resolved , and during the Empire , the philosophy of political opposition tended to be Stoic .