Sonnet 18 ('Shall I compare thee to a summer's day?')
by William Shakespeare
Form & Structure
Shakespearean sonnet (three quatrains and a couplet, ABAB CDCD EFEF GG, iambic pentameter).
Summary
The speaker considers comparing the beloved to a summer's day but concludes that the beloved surpasses summer because summer is impermanent. The final couplet asserts that the poem itself will immortalise the beloved's beauty.
Detailed Analysis
Opening rhetorical question
"Shall I compare thee to a summer's day?" immediately sets up the comparison only to dismantle it. The interrogative form creates a conversational, intimate tone.
Cataloguing summer's flaws
"Rough winds do shake the darling buds of May" and "summer's lease hath all too short a date" present summer as imperfect and transient. The personification of summer having a 'lease' introduces a legal metaphor suggesting temporary possession.
The volta
"But thy eternal summer shall not fade" marks the turn. The conjunction 'But' pivots the argument: while nature decays, the beloved's beauty is preserved. The oxymoron 'eternal summer' defies the mortality established earlier.
Concluding couplet and immortality
"So long as men can breathe or eyes can see, / So long lives this, and this gives life to thee." The poem's bold claim is that poetry conquers time. The repeated 'So long' creates a conditional that, paradoxically, has now lasted over 400 years, proving its own argument.
Key Quotes
- “Shall I compare thee to a summer's day? / Thou art more lovely and more temperate”
- “Rough winds do shake the darling buds of May”
- “But thy eternal summer shall not fade”
- “So long lives this, and this gives life to thee”