look after numero uno

look after numero uno

To put one's own needs, concerns, or responsibilities before those of anyone else. ("Numero uno" is Spanish for "number one," used in this context to mean "oneself.") The only way you're going to get ahead in this business is if you look after numero uno. It doesn't make you a selfish person if you look after numero uno from time to time.
See also: after, look, numero, uno