Shakespeare's Sonnet 129

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The expense of spirit in a waste of shame

Is lust in action; and till action, lust

Is perjur'd, murderous, bloody, full of blame,

Savage, extreme, rude, cruel, not to trust;

Enjoy'd no sooner but dispised straight;

Past reason hunted; and no sooner had,

Past reason hated, as a swallow'd bait,

On purpose laid to make the taker mad:

Mad in pursuit, and in possession so;

Had, having, and in quest to have, extreme;

A bliss in proof,- and prov'd, a very woe;

Before, a joy propos'd; behind, a dream.

All this the world well knows; yet none knows well

To shun the heaven that leads men to this hell.