"If a soul doesn’t complete the mission God intended for it to complete, when it dies, that part of the soul that didn’t complete its mission returns in another soul.
Let’s say, for example, that a person did everything God required of him but could have been more kind. “Those qualities will need to come back for another shot.”" - Rabbi Ysroel Mangel
a different kind of recycling; we can call it "divine recycling."