וַיִּיָּ֣חֶל ע֔וֹד שִׁבְעַ֥ת יָמִ֖ים אֲחֵרִ֑ים וַיְשַׁלַּח֙ אֶת־הַיּוֹנָ֔ה וְלֹֽא־יָסְפָ֥ה שׁוּב־אֵלָ֖יו עֽוֹד׃
And he stayed yet other seven days; and sent forth the dove; and she returned not again unto him any more.
Read kabbalistic (mystical) interpretation of Genesis 8:12: and classical mystical sources.