| Term | Definition |
| Crossing the Rubicon | Julius Ceasar///irreversible step |
| Once in a blue moon | approx. every 3 years///occurs rarely |
| archilles heel | river styx///area of vulnerability |
| Sirens | mythological sea creature///luring to destruction |
| all that glitters is not gold | aristotle///deceptive appearances |
| thirty pieces of silver | judas///award for betrayal |
| mrs. grundy | speed the plough/// |
| read the riot act | english common law///stern warning |
| sacred cow | hinduism///cannot be interfered with |
| ivory tower | fairy tales///out of touch with reality |
| sound and fury | macbeth///meaningless uproar |
| pearls before swine | sermon on the mount///value isnt appreciated |
| crocodile tears | before devouring prey///false sympathy |
| gordian knot | alexander the great/// |
| pound of flesh | shylock///insistence on repayment |