In ethics, value pluralism (also known as ethical pluralism or moral pluralism) is the idea that there are several values which may be equally correct and fundamental, and yet in conflict with each other. ... Value-pluralism is a theory in metaethics, rather than a theory of normative ethics, or a set of values in itself.
Lady Macbeth right?
This quote in the speech is talking about nurturing and loving for a child. In stereotypical Jacobean times women were expected to be caring and loving towards their family. However, Lady Macbeth subverts these stereotypes by talking about how she doesn't want to be nurturing and is a manipulative and strong willed character