וַיִּרָ֥א דָוִ֛ד אֶת־יְהוָ֖ה בַּיּ֣וֹם הַה֑וּא וַיֹּ֕אמֶר אֵ֛יךְ יָב֥וֹא אֵלַ֖י אֲר֥וֹן יְהוָֽה׃
And David was afraid of the LORD that day; and he said: ‘How shall the ark of the LORD come unto me?’
Read midrashic interpretation of II Samuel 6:9: and classical rabbinic exegesis.