A feminist is someone who believes in social, political, and economic equality of the sexes. Author: Sheryl Sandberg Copy Quote More from Sheryl Sandberg “The cost of stability is often diminished opportunities for growth” “Aggressive and hard-charging women violate unwritten rules about acceptable soc…” “When looking for a life partner, my advice to women is date all of them: the ba…” “... I could challenge the notion that I was constantly headed for failure.”