big fish in a little pond
... that it is better for one's self-concept to be a big fish in a little pond than a small fish in a big pond?
... that it is better for one's <a href="./Self-concept" id="mwBSs" rel="mw:WikiLink" title="Self-concept">self-concept</a> to be a <b id="mwBSw"><a href="./Big-fish–little-pond_effect" id="mwBS0" rel="mw:WikiLink" title="Big-fish–little-pond effect">big fish in a little pond</a></b> than a small fish in a big pond?