Berlin persisted in defending individual freedom from the horizon of postmetaphysicsIn his view，freedom is Negative Freedom rather than Positive FreedomFreedom，which is also called political freedom，refers to a state of being allowed to behave without obstructionBerlin combined romanticism and rationalism dialecticallyDiscarding determinism and Monism logic of rationalism，he inherited its objective ideas which acknowledge the value of freedomDiscarding romanticisms voluntarism，Berlin inherited its pluralismAll these provide the third way to understand Freedom