קֻ֚ם קַדֵּ֣שׁ אֶת־הָעָ֔ם וְאָמַרְתָּ֖ הִתְקַדְּשׁ֣וּ לְמָחָ֑ר כִּ֣י כֹה֩ אָמַ֨ר יְהוָ֜ה אֱלֹהֵ֣י יִשְׂרָאֵ֗ל חֵ֤רֶם בְּקִרְבְּךָ֙ יִשְׂרָאֵ֔ל לֹ֣א תוּכַ֗ל לָקוּם֙ לִפְנֵ֣י אֹיְבֶ֔יךָ עַד־הֲסִירְכֶ֥ם הַחֵ֖רֶם מִֽקִּרְבְּכֶֽם׃
Up, sanctify the people, and say: Sanctify yourselves against tomorrow; for thus saith the LORD, the God of Israel: There is a curse in the midst of thee, O Israel; thou canst not stand before thine enemies, until ye take away the accursed thing from among you.
Find Talmudic references to Joshua 7:13: , passages from the Talmud Bavli and Yerushalmi.