The silence often of pure innocence / Persuades when speaking fails. Winter's Tale, ii. 2.

The silence that is in the starry sky. Wordsworth.

The silent heavens have goings-on; / The stars have tasks. Wordsworth.

The simple believeth every word. Bible.

The sin that practice burns into the blood, / 40 And not the one dark hour which brings remorse, / Will brand us, after, of whose fold we be. Tennyson.

The single snowflake—who cares for it? But a whole day of snowflakes ... who does not care for that? Private opinion is weak, but public opinion is almost omnipotent. (?)

The slack sail shifts from side to side, / The boat, untrimm'd, admits the tide, / Borne down, adrift, at random tost, / The oar breaks short, the rudder's lost. Gay.

The sleep of a labouring man is sweet, whether he eat little or much: but the abundance of the rich will not suffer him to sleep. Bible.

The sleeping and the dead / Are but as pictures. Macb., ii. 2.

The slender vine twists around the sturdy 45 oak, for no other reason in the world but because it has not strength sufficient to support itself. Goldsmith.