How could I know that?

Shakespeare:

She told you. You must have asked where the verses came from: she hates verses, and loves truth—truth!

Herbert:

Don’t take it so tragic, man. A girl’s kiss, no weightier than a breath.

Shakespeare:

A girl’s kiss, and a friend’s faith. No weightier than a breath.

Herbert:

In love and war, none of us is to be trusted.

Shakespeare: