Sonnet 30 up of fourteen lines in three quatrains and a couplet, rhyming "abab cdcd efef gg". While using the rhyming and metrical structure of the 'English' or 'Surreyan' sonnet, Shakespeare often also reflected the rhetorical form of the Italian form also known as the Petrarchan sonnet. It divides the sonnet into two parts: the "octet" (the first eight lines) usually states and develops the subject, while the "sestet" (the last six lines) winds up to a climax. Thus a change in emphasis, known as the "volta", occurs between the end of the eighth and the beginning of the ninth lines —
Sonnet 146 regular lines, and a characteristically Shakespearean use of metrical expectations to emphasize pronouns, suggest that readings with only an initial reversal or a regular meter may be the most appropriate. The sonnet is notable for its uncharacteristically religious tone and call for moral richness, whereas most sonnets treasure earthly qualities of beauty and love. In its vocabulary and vocative address to the soul the sonnet invites comparison with Psalm 146. Although Michael West has persuasively argued that this sonnet is indebted to the medieval genre of poetic dialogues between soul and body, the extent to which sonnet actually presents conventional