Why is a soul reincarnated, and the purpose of reincarnation?

> A soul from a previous generation is reincarnated in a later > generation into a specific set of circumstances which are tailored to > engineer a rectification of a previous sin Are there instances in Buddhist scripture or history where there is a confirmation of the above statement as being typical, or being the purpose, of reincarnation? Don't know if sin prefigures in Buddhist thought or has connections to reincarnation, but the source of the quote above is drawn from Judaism and Kabbalah's conceptualization of reincarnation, which they do relate to sin.