Sonnet 18
Sonnet 18 is one of the best-known of the 154 sonnets written by the English playwright and poet William Shakespeare.
Sonnet 81
Sonnet 81 is one of 154 sonnets written by William Shakespeare, and published in a quarto titled "Shakespeare's Sonnets" in 1609. It is a part of the Fair Youth series of sonnets, and the fourth sonnet of the Rival Poet series.