His thoughts were hemmed in. One can only draw curved lines on the terrestrial sphere which, as they extend, forever meet with themselves. At such intersections we always encounter what we have already seen. - Raymond Queneau
Everyone in the world was programmed by the place they were born, hemmed in by their beliefs, but you had to at least try to grow your own brain - Scott Westerfeld
To look beyond our horizons is to acknowledge that we’ve hemmed ourselves in by creating them in the first place. - Craig D. Lounsbrough