full circle, come

go full circle

To return to the original position, situation, or attitude where things began, especially after a long or circuitous series of changes. After dreaming of a career in politics as a young child, and then spending her college years as a staunch dissident of the government, Carrie has gone full circle and now serves as her state's representative in Congress. At the novel's end, the character's journey goes full circle to the childhood home where everything started to go wrong.
See also: circle, full

full circle, come

Also, go full circle. Complete an entire cycle; return to the original position or condition. For example, After a whole year of debate we have come full circle on this issue. Shakespeare may have originated this expression in King Lear (5:3): "The wheel is come full circle." A 20th-century idiom with a similar meaning is what goes around comes around, as in I knew if I helped her now, she would help me later-what goes around comes around.
See also: come, full