Divrey Hayamim Bais 35:3

Orthodox Jewish Bible

³ And said unto the Levi’im that taught kol Yisroel, which were hakedoshim unto Hashem, Put the Aron HaKodesh in the Beis which Sh’lomo Ben Dovid Melech Yisroel did build; it shall not be a massa (burden, something carried) upon your ketefayim (shoulders); serve now Hashem Eloheichem and His people Yisroel,