Generally speaking, yes, many of the early philosophes were optimistic about the future of humankind because they saw in man an individual nature that was separate from that which ties man to the state or polis--meaning that they saw in man an unrestricted ability to achieve any goal.
He was banned because he was found guilty in court. He was found guilty of spreading "dangerous" ideas. He was against cruel punishment.
The emperor who is the son of Vespasian that was highly regarded as a strong political and a fair leader is : Titus
After Vespasian passed, Many people taught that Titus would be an incapable leader. But with his virtue and compassion, titus managed to proved them wrong and became a king that was loved by his people
hope this helps