Skip to content
— CH. 1 · INTRODUCTION —

Sonnet 18

~5 min read · Ch. 1 of 7
7 sections
  • Sonnet 18 opens with one of the most recognizable questions in the English language: "Shall I compare thee to a summer's day?" William Shakespeare wrote it as part of a sequence addressed to a figure known only as the Fair Youth, and it has been read, recited, and recorded for centuries since the first edition appeared in 1609. But the poem contains a quiet irony that most listeners miss on first hearing. The young man it praises is barely described at all. What the poem actually preserves, in vivid and lasting detail, is a summer's day. The questions worth sitting with are these: who is this Fair Youth, what does the poem really promise him, and how does a fourteen-line verse manage to fold together beauty, change, money, and eternity all at once?

  • Fourteen lines of iambic pentameter give Sonnet 18 its pulse. Each line carries five pairs of syllables in a weak-strong rhythm, and the whole poem divides into three quatrains followed by a closing couplet. The rhyme scheme runs ABAB CDCD EFEF GG, which is the standard pattern of the English or Shakespearean sonnet. Shakespeare borrowed from an older Italian tradition called the Petrarchan sonnet, which typically explored the love and beauty of a beloved, sometimes unattainable, sometimes not. That tradition also supplied the volta, a pivot in the poem's direction, and in Sonnet 18 the volta arrives at the third quatrain. The first eight lines dwell on mutability, the things that change and decay. The final six lines turn toward eternity. Line thirteen, "So long as men can breathe or eyes can see", is a clean example of iambic pentameter's regular beat: each syllable falls precisely where the meter expects it.

  • Sonnet 18 sits inside the Fair Youth sequence, which covers sonnets 1 through 126 in the numbering that derives from the 1609 first edition. It falls immediately after a group now called the procreation sonnets, which urge the young man to have children so his beauty will survive through offspring. Some scholars place Sonnet 18 inside that procreation group, reading it as a variation on the same theme: reaching eternal life, here through the written word rather than through children. Those scholars point to sonnets 15 through 17 as context, and they see Sonnet 18 as a bridge toward the time theme that emerges in sonnet 20. Other scholars treat it as the first poem after the procreation sequence ends, a moment when Shakespeare shifts from biological immortality to literary immortality as the proposed solution.

  • Shakespeare packed several words in Sonnet 18 with double weight, and understanding them changes what the poem says. "Complexion" in line six can mean the outward look of a face, set against the sun described as "the eye of heaven" a line earlier, or it can invoke the older medical idea of the four humours, the internal balance thought to determine a person's temperament. In Shakespeare's time, "temperate" worked the same way: outwardly a weather condition, inwardly a balance of humours. Read through the humours, the beloved's cheerful inner disposition stays constant even when the sun is blotted out by clouds. "Untrimmed" in line eight opens into a different pair of meanings. It can mean beautiful things gradually losing their decoration, or it can picture a ship with sails not adjusted to correct for shifting winds. That second reading, placed alongside the phrase "nature's changing course", creates an oxymoron: the unchanging change of nature, the idea that the only fixed thing is the fact of change itself. "Ow'st" in line ten meant both "ownest" and "owest" in Shakespeare's day. The second reading suggests that beauty is borrowed from nature and must eventually be returned, and "fair" in the same passage may be a pun on "fare", the payment nature charges for life's journey.

  • Summer in Sonnet 18 is not simply a season. It holds a "lease" with "all too short a date", and that financial language runs through the poem as a structural thread. Shakespeare wrote in a society that was becoming increasingly capitalist, and monetary metaphors were everyday currency in his sonnets. The borrowing and lending idea scholars have identified applies to both nature and humanity in the poem. Summer rents its tenure from the calendar and cannot extend the term. Beauty, similarly, is something held on loan rather than owned outright. This framing makes the poem's final promise sharper: what escapes the lease, what cannot be repossessed, is the poem itself. The Fair Youth's description is locked into lines that cost nothing to reproduce and cannot be foreclosed.

  • Readers coming to Sonnet 18 for the first time usually assume it is a portrait of the Fair Youth. It is not. The poem promises that the young man will live forever in its lines, but the lines contain almost no description of him. What they preserve in vivid detail is the summer's day he is said to surpass: the eye of heaven, rough winds, the lease of a short date, darling buds of May. The young man himself remains a silhouette. It is not the actual person who is eternalised, but the idea of someone who outlasts summer. This irony is built into the poem's logic rather than being a flaw in it. The speaker is explicit that the Fair Youth has qualities that surpass a summer's day, but then spends the poem on summer rather than on those qualities. The promise of immortality is real; what gets immortalised is the comparison, not the man.

  • Sonnet 18 has been recorded by musicians working across very different traditions. Bryan Ferry set it for the 1997 album Diana, Princess of Wales: Tribute. David Gilmour recorded a version. Chuck Liddell lent his voice to a reading. Paul Kelly recorded it for his 2016 album Seven Sonnets & a Song. The range of performers points to what the poem keeps doing: it stays readable, singable, and speakable across contexts that Shakespeare could not have imagined. The couplet's closing line, "So long as men can breathe or eyes can see", functions as a self-fulfilling statement. Each new recording restarts the clock on the poem's survival, and the Fair Youth, whoever he was, travels forward again.

Common questions

What is Sonnet 18 by William Shakespeare about?

Sonnet 18 asks whether the speaker should compare a person known as the Fair Youth to a summer's day, then argues that the Fair Youth surpasses summer because summer is temporary and subject to change. The poem promises the Fair Youth will live forever in its lines, though it contains almost no description of the young man himself, preserving instead vivid descriptions of a summer's day.

When was Sonnet 18 first published?

Sonnet 18 was first published in 1609 as part of a collection of 154 sonnets by William Shakespeare. It appears in the Fair Youth sequence, which comprises sonnets 1 through 126 in the numbering that comes from that first edition.

What is the structure and rhyme scheme of Shakespeare's Sonnet 18?

Sonnet 18 is a Shakespearean sonnet with 14 lines of iambic pentameter, divided into three quatrains followed by a closing couplet. Its rhyme scheme is ABAB CDCD EFEF GG. The poem also contains a volta, or shift in subject, beginning with the third quatrain.

Who is the Fair Youth in Sonnet 18?

The Fair Youth is the unnamed subject addressed in Sonnet 18 and throughout sonnets 1 through 126 in Shakespeare's sequence. The poem does not identify the young man by name; scholars have debated his identity without reaching a settled conclusion from the text itself.

What does the word 'untrimmed' mean in Sonnet 18?

"Untrimmed" in line eight of Sonnet 18 carries two meanings: the loss of decoration and fanciness over time, and the image of a ship with sails not adjusted to shifting winds. The second reading, combined with the phrase "nature's changing course", creates an oxymoron suggesting that the only constant in nature is change itself.

Who has recorded Shakespeare's Sonnet 18?

Musicians who have recorded Sonnet 18 include Bryan Ferry, who set it for the 1997 album Diana, Princess of Wales: Tribute, and Paul Kelly, who recorded it for his 2016 album Seven Sonnets & a Song. David Gilmour and Chuck Liddell have also recorded versions.

All sources

4 references cited across the entry

  1. 1journalTrimming Shakespeare's Sonnet 18.Robert E. Jungman — ANQ — January 2003
  2. 2journalShakespeare's Sonnet 18.Robert H. Ray — October 1994
  3. 3journalShakespeare's Sonnet 18Mark Howell — April 1982
  4. 4journalLove's Usury, Poet's Debt: Borrowing and Mimesis in Shakespeare's SonnetsChristopher Thurman — May 2007