You searched for: “non potest legi
Graecum est; non potest legi.
It's Greek to me.

First known reference is from the Medieval Latin proverb, "It is Greek; it cannot be read."

The source for the quote is usually attributed to William Shakespeare in the play "Julius Caesar" (Casca, in Act I, Scene 2): "Those that understood him smiled at one another and shook their heads; but for mine own part, it was Greek to me."

"It's all Greek to me" or "I don’t understand any of this" or "This makes no sense."

A reference to something which is unintelligible or incapable of being understood.

This entry is located in the following unit: Latin Proverbs, Mottoes, Phrases, and Words: Group G (page 1)