Who authored the famous line in "Sonnet 18"?

The line in "Sonnet 18," which begins with the famous phrase "Shall I compare thee to a summer's day?" is authored by William Shakespeare. Shakespeare is known for his mastery of sonnets, and "Sonnet 18" is one of his most celebrated works, often referenced for its exploration of beauty, love, and the passage of time. The sonnet's vivid imagery and poetic structure showcase Shakespeare's skill in using language to convey deep emotion and insight into human experience. This association with Shakespeare's broader body of work as a playwright and poet further establishes his notable contribution to English literature, solidifying him as the author of this iconic line.