The Talmud discusses this question and again arrives at the conclusion that, if we are meritorious, the messianic redemption will be accompanied by miracles. However, the realization of the messianic dream, even if it takes place naturally, will be the greatest miracle.
According to some traditions, G‑d Himself will rebuild the third Temple. According to others, it will be rebuilt by Moshiach; still others suggest a combination of the two opinions. Some suggest that there will be two distinct periods in the messianic era: first a non-miraculous period, leading into a second, miraculous period.
Maimonides writes, “Neither the order of the occurrence of these events nor their precise detail is among the fundamental principles of the faith . . . one should wait and believe in the general conception of the matter.”.