Wild Eb.

 They called him Wild "Bill" Pillsbury.

Felix Leiter, operative in the James Bond series. (Played by Jack Lord and David Hedison.)

Loose lips sink ships.

 He is classified. Or possibly certifiable.

It was written with a poison pen.

To Be or Not To Be.

 Unlike A Midsummer Night's Dream which shows us a lot of Bottom.

Pish-tush, 'tis nothing.

Descent of Man.

 Also the birthday of naturalist and author Charles Darwin.

They have a common ancestor.

The man of two minds.

 It goes mostly without saying.

But now that you mention it, no.

Don't let the stars get in your eyes.

 In real life, people see little birdies circling their heads.

Or someone will yell, "Watch where you're going !"

When in Rome.

It's bad luck to rob a grave robber.

How much does an Etruscan earn ?