וְקִדַּשְׁתָּ֣ אֹתָ֔ם וְהָי֖וּ קֹ֣דֶשׁ קָֽדָשִׁ֑ים כָּל־הַנֹּגֵ֥עַ בָּהֶ֖ם יִקְדָּֽשׁ׃
And thou shalt sanctify them, that they may be most holy; whatsoever toucheth them shall be holy.
Read kabbalistic (mystical) interpretation of Exodus 30:29: and classical mystical sources.