וַיַּשְׁכִּ֣ימוּ בַבֹּ֔קֶר וַיִּשָּׁבְע֖וּ אִ֣ישׁ לְאָחִ֑יו וַיְשַׁלְּחֵ֣ם יִצְחָ֔ק וַיֵּלְכ֥וּ מֵאִתּ֖וֹ בְּשָׁלֽוֹם׃
And they rose up betimes in the morning, and swore one to another; and Isaac sent them away, and they departed from him in peace.
Read kabbalistic (mystical) interpretation of Genesis 26:31: and classical mystical sources.