 The Temple Institute had initially declared both kosher, but later found each to be unsuitable.Although Orthodox Judaism generally agrees that the Temple in Jerusalem will and should be rebuilt, there is a substantial disagreement about whether this should occur by human or divine hands.The Temple Institute interprets the opinion of the Rambam (Maimonides) as saying that Jews should attempt to build the Temple themselves, and have a mitzvah (obligation) to do so if they can.