Macbeth and his destiny

An important theme of tragedy of Macbeth is the predestination and the free will.

In a fatalic Universe the duration of life and his destiny are predifined by otherwordly forces.

In Macbeth's tragedy these forces are Rapresented by the witches. In the tragedy the destiny is signed, but Macbeth can choose how to fulfill his destiny.

For exemple the witches said Macbeth wath is his future (became a king) but they didn't say him how to became king, Macbeth must make choses.