Numbers 8:23-25

23And the LORDH3068 spake unto MosesH4872, sayingH559,

24This is that whichH834 belongeth unto the LevitesH3881: from twentyH6242 and fiveH2568 yearsH8141 oldH1121 and upwardH4605 they shall goH935 in to wait uponH935 the serviceH5656 in the workH5656 of the tentH168 of meetingH4150:

25and from the ageH1121 of fiftyH2572 yearsH8141 they shall cease waiting upon the workH5656, and shall serveH5647 noH3808 moreH5750;