Tikkun olam

Tikun Olam (Hebrew תיקון עולם " repair the world" ), often Tikkun Olam or Tiqqun Olam, is an originally arisen in the early period of rabbinic Judaism concept, which was later taken up in the Kabbalah and given new meanings during the Middle Ages and more importance settlements learned in modern currents of Judaism.

In Jewish liturgy, the term appears letakken Olam ( " improving the world ") in the daily closing prayer Alenu as an expression of messianic hope.