When she shall lack it.
Iago. Be not acknown on’t; I have use for it,
I will in Cassio’s lodging lose this napkin,
And let him find it. Trifles light as air
Are to the jealous confirmations strong
As proofs of holy writ; this may do something.
The Moor already changes with my poison,
Dangerous conceits are, in their natures, poisons,
Which at the first are scarce found to distaste,