On the other hand, the bodhisattvas do try to save others, so they are examples of Mahayana doctrine.
In Tiantai teaching, Buddhas can easily move between the everyday world of samsara and the world of nirvana. They have the ability to appear on every level of existence in order to teach the Dharma.
The five teachings of the Buddha, as propounded in Tiantai, are an example of how the Chinese Buddhist sects synthesized and condensed Indian Buddhist teachings to select the most important points for the Chinese public.