Far too many people are looking for the right person, instead of trying to be the right person.
-Gloria Steinem
I read that as "looking for the right person to fall in love with". Then the sense is "be the right person for someone else". But that achieves a different goal entirely, since it doesn't make the other person right for you.
There are many cases where you want a different person right for the task.
Name three!
Romantic partners (inherently), trading and working partners (allowing you to specialize in your comparative advantage), deputies and office-holders (allowing you to deputize), soldiers (allowing you to send someone else to their death to win the war).
Another month has passed and here is a new rationality quotes thread. The usual rules are: