Thou know'st, being stopp'd, impatiently doth rage;

But when his fair course is not hindered,

He makes sweet music with the enamell'd stones,

Giving a gentle kiss to every sedge

He overtaketh in his pilgrimage;

And so by many winding nooks he strays,

With willing sport to the wild ocean.

Shakespeare, Two Gentlemen of Verona, II. vii. 25-32.

ll. 27-8. Yet if her often gnawing kisses winne

The traiterous banke to gape, and let her in.