אֵ֚ין בָּֽאָר֔וֹן רַ֚ק שְׁנֵ֣י הַלֻּח֔וֹת אֲשֶׁר־נָתַ֥ן מֹשֶׁ֖ה בְּחֹרֵ֑ב אֲשֶׁ֨ר כָּרַ֤ת יְהוָה֙ עִם־בְּנֵ֣י יִשְׂרָאֵ֔ל בְּצֵאתָ֖ם מִמִּצְרָֽיִם׃ (פ)
There was nothing in the ark save the two tables which Moses put there at Horeb, when the LORD made a covenant with the children of Israel, when they came out of Egypt.
Read kabbalistic (mystical) interpretation of II Chronicles 5:10: and classical mystical sources.