(Picture from Chabad)
"He waited another seven days, and once again he sent out the dove from the Tevah. The dove came to him toward evening and there was a torn off olive leaf in its beak. Noach knew that the water had receded from the earth." (Bereishit 8:10, 11)
The world was still covered with water, but the dove brought an olive leaf from a tree in the Holy Land. Others say that it was from Gan Eden. (Bereishit Rabbah; Ramban, Cf. Yafeh Toar, Tetzaveh)
The account of the dove and Noah's ark alludes to the history of the Jewish People.
The dove's journey is recorded in the Torah as a prophecy for the future. K'lal Yisrael is likened to a dove. The nations are compared to water. Just as the dove found no resting place in the midst of the water, so too would K'lal Yisrael find no resting place in exile. Just as the dove returned home to the Tevah, so will Benei Yisrael in the future return to their land.
Rabbi Pinchas said: Every time the Jewish People were sent into exile, the Holy One blessed be He set a limit to the exile, and they were always aroused to repentance. But this final exile has no set limit, and everything depends upon repentance.
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Source: Me'am Lo'ez; Zohar
