They had no time for religious or ethical pursuits. Roman gods didn't mingle with mortals. They were not called upon to make you good, but to give you goods. But all ended in Romanism, the worship of the state. Each emperor was deified upon death Mythraism from the East was popular because it taught about life after death, thus eliminating the fear of death.
Pleasure is the beginning and end of the good life, and prudence is the pursuit of pleasure.
The only way to be truly happy is to avoid that which causes injury. Epicurianism is NOT hedonism 2. This, of course, forms the basis of salvation and eternal life, the basis for early Christianity. Romans were doers, not thinkers, and thus did little in the arts. Remember, Roman, to rule the people under law, to establish the way of peace, to battle down the haughty, to spare the meek.