Genesis 12:13 Kabbalah

אִמְרִי־נָ֖א אֲחֹ֣תִי אָ֑תְּ לְמַ֙עַן֙ יִֽיטַב־לִ֣י בַעֲבוּרֵ֔ךְ וְחָיְתָ֥ה נַפְשִׁ֖י בִּגְלָלֵֽךְ׃

Say, I pray thee, thou art my sister; that it may be well with me for thy sake, and that my soul may live because of thee.’

Read kabbalistic (mystical) interpretation of Genesis 12:13: and classical mystical sources.