(idiomatic) Diversity is essential: the world would be incomplete if everyone were alike; an expression of surprise at a person or people's eccentricity.

Women, particularly mothers, have a decisive influence on the future direction of society because they raise and nurture the next generation.

(derogatory) Rhetorical question used to imply that the party addressed is out of touch with reality

Alternative form of it takes all kinds to make a world

Alternative form of turn one's life upside down

(figuratively, derogatory) to think of oneself as overly important

Money plays an essential role in causing the things in life to work as they should; money underlies the fulfillment of the needs of human existence.

(idiomatic, singular only) A combination of two seemingly contradictory benefits.

plural of brave new world

(physics) An interpretation of quantum mechanics that claims to resolve all the "paradoxes" of quantum theory by allowing every possible outcome to every event to define or exist in its own "history" or "world".