וַיְשַׁלַּ֥ח אֶת־הַיּוֹנָ֖ה מֵאִתּ֑וֹ לִרְאוֹת֙ הֲקַ֣לּוּ הַמַּ֔יִם מֵעַ֖ל פְּנֵ֥י הָֽאֲדָמָֽה׃
And he sent forth a dove from him, to see if the waters were abated from off the face of the ground.
Read kabbalistic (mystical) interpretation of Genesis 8:8: and classical mystical sources.