וַתֹּ֙אמֶר֙ בִּ֣י אֲדֹנִ֔י חֵ֥י נַפְשְׁךָ֖ אֲדֹנִ֑י אֲנִ֣י הָאִשָּׁ֗ה הַנִּצֶּ֤בֶת עִמְּכָה֙ בָּזֶ֔ה לְהִתְפַּלֵּ֖ל אֶל־יְהוָֽה׃
And she said: ‘Oh, my lord, as thy soul liveth, my lord, I am the woman that stood by thee here, praying unto the LORD.
Read Kabbalistic (mystical) interpretations of I Samuel 1:26: Zohar and classical Jewish mystical sources, free online.