1.E Soliloquy: Thought Spoken Aloud

Every line of dialogue a character speaks to another character is shaped by that listener. He wants something from the creditor, so he lies about Friday. He wants to reassure his sister, so he claims to be calm. The moment he is alone, that shaping pressure disappears. There is nobody left to manage, so the words that come out are the ones underneath the performance. That is the whole mechanism: a soliloquy opens a gap in the fourth wall and lets the audience overhear thought instead of overhearing speech.

A novel can simply tell you a character has been counting the days, or that he is deceiving himself about his own patience. A play has no narrator to do that work, so it borrows the only tool available: it empties the stage and lets the character say it himself. The soliloquy is drama's stand-in for interior narration. Hamlet's 'To be or not to be' works this way on a larger scale. One half of the speech reasons toward action, weighing whether to end suffering by ending life; the other half recoils into fear of what death might bring, 'the dread of something after death.' Neither side wins. The speech is not a decision announced but two arguments inside one mind fought to a standstill, which is exactly what a soliloquy can show and a conversation cannot.

This sits next to dramatic irony because the two often work together: a soliloquy is frequently the moment the audience learns the thing other characters do not know, which is what lets us watch a fall coming before the hero sees it himself.