Julius Caesar, Act 1.

In this scene, Caesar talks with Antony, by that you can tell that Caesar is superstisious. To keep with the idea of the supernatural, soothsayer speaks, warning Caesar to beware the ides of March. He's acting as if he's not concerned.

Caesar- King of Rome.
Brutus- Caesar's wingman.
Cassius- the instigator in the conspiracy against Caesar.
Cinna- the ones that are jealous of Caesar and are trying to kill him.

"But for my own part, it was Greek to me". -Caesar
It means that it was It was unintelligible to him.