Come, you spirits that tend on mortal thoughts, unsex me here

To remember this quote use the following mnemonic.

Come you spirits, that tend to hold on to my thoughts.

Undo my sex, here and now and change me into a man.

"Come, you spirits that tend on mortal thoughts, unsex me here." Act 1, scene 5, line 39.

A plea from Lady Macbeth to supernatural beings to strip her of her feminine nature and make her more like a man. Remove her of the lady-like features she owns and fill her with manly strength that will allow her to commit the cruel and unspeakable act of killing King Duncan.