וַיֹּ֨אמֶר יְהוֹשֻׁ֜עַ אֶל־הָעָ֗ם עֵדִ֤ים אַתֶּם֙ בָּכֶ֔ם כִּֽי־אַתֶּ֞ם בְּחַרְתֶּ֥ם לָכֶ֛ם אֶת־יְהוָ֖ה לַעֲבֹ֣ד אוֹת֑וֹ וַיֹּאמְר֖וּ עֵדִֽים׃
And Joshua said unto the people: ‘Ye are witnesses against yourselves that ye have chosen you the LORD, to serve Him.—And they said: ‘We are witnesses.’—
Read kabbalistic (mystical) interpretation of Joshua 24:22: and classical mystical sources.