וַיֹּ֣אמֶר חַגַּ֔י אִם־יִגַּ֧ע טְמֵא־נֶ֛פֶשׁ בְּכָל־אֵ֖לֶּה הֲיִטְמָ֑א וַיַּעֲנ֧וּ הַכֹּהֲנִ֛ים וַיֹּאמְר֖וּ יִטְמָֽא׃
Then said Haggai: ‘If one that is unclean by a dead body touch any of these, shall it be unclean?’ And the priests answered and said: ‘It shall be unclean.’
Read kabbalistic (mystical) interpretation of Haggai 2:13: and classical mystical sources.