2. The Buddha referred to pre-enlightened self as a "bodhisatta", but this is understood very differently in the suttas, to the Mahayana understanding of what this means
3. Just because there is no beginning or end to samsara does not mean it does not exist. However, "beings" do not exist to the extent that what we conventionally call a being is nothing more than a continual rising and cessation of the five aggregates.