Sonnet 120

Your past unkindness to me now justifies my current transgressions; I must understand how deeply I wounded you before I can offer true remedy.

Original
Modern
1 That you were once unkind befriends me now,
That you were once unkind to me helps me now,
2 And for that sorrow, which I then did feel,
And because of that pain I felt back then,
3 Needs must I under my transgression bow,
I must bend under the weight of my own transgression,
4 Unless my nerves were brass or hammered steel.
Unless I were made of brass or tempered steel.
Wordplay: “nerves were brass or hammered steel”

Nerves can mean sinews or emotional sensitivities; brass and steel are immune to feeling, suggesting that only inhuman strength could make the speaker unmoved by reciprocal unkindness.

5 For if you were by my unkindness shaken
Because if my cruelty hurt you deeply,
6 As I by yours, y’have passed a hell of time,
As I did from yours, you've gone through a terrible time,
7 And I a tyrant have no leisure taken
And I, acting like a tyrant, have not taken time,
8 To weigh how once I suffered in your crime.
to consider how much I suffered from your past wrongdoing.
Volta The volta shifts from the speaker's present reckoning with past unkindness to a plea for mutual understanding and remedy.
9 O that our night of woe might have remembered
Oh that our night of sorrow might have taught me,
10 My deepest sense, how hard true sorrow hits,
my deepest understanding of how hard real sorrow strikes,
11 And soon to you, as you to me then tendered
and soon I'd offer to you, as you then offered to me,
12 The humble salve, which wounded bosoms fits!
the humble healing cure that heals wounded hearts!
13 But that your trespass now becomes a fee,
But now your past wrongdoing becomes a payment,
14 Mine ransoms yours, and yours must ransom me.
My suffering redeems yours, and yours must redeem me.
Brass Nerves and Steel Hearts

The speaker claims that 'unless my nerves were brass or hammered steel,' he must bow to his own transgressions in response to the beloved's past unkindness. The metaphor suggests that endurance requires an inhuman, mineral-like quality—something beyond human feeling. But the speaker lacks such hardness; he feels, and therefore he suffers the reciprocal wound.

Ransom as Mutual Salvation

The couplet introduces the ransom metaphor that will dominate the final sonnets: 'your trespass now becomes a fee; / Mine ransoms yours, and yours must ransom me.' Transgressions become currencies that offset each other. Neither party can claim innocence; salvation comes through mutual debt and mutual payment. This is love as an economy of suffering and redemption.

If this happened today

Someone hurt you years ago in a relationship. Now you realize you hurt them back in ways you didn't fully understand. That symmetry of pain becomes the ground for actual forgiveness—you finally get how much it cost them.