Men insist that they don't mind women succeeding so long as they retain their "femininity". Yet the qualities that men consider "feminine" - timidity, submissiveness, obedience, silliness, and self-debasement - are the very qualities best guaranteed to assure the defeat of even the most gifted aspirant.
"The First Sex". Book by Elizabeth Gould Davis. Chapter 22: "Woman in the Aquarian Age", 1971.