21-23. (a) Ino businsimi bwa Isaya bwakazuzikizyigwa kuli bani mumwaanda wamyaka wakusaanguna, alimwi muunzila nzi? (b) Ino mbaani bakali “lun[y]ungu lusalala” mumwaanda wamyaka wakusaanguna, alimwi lwakafwutulwa buti?

²¹ Imulimo wa Isaya wabusinsimi wakali kwiiminina mulimo ngwaakali kuzyoocita Mesiya, Jesu Kristo imyaka iitandila ku 800 yakali kumbele. (Isaya 8:18; 61:1, 2; Luka 4:16-21; Ba-Hebrayo 2:13, 14) Nokuba kuti Jesu wakali mupati kuli Isaya, awalo wakalilisungwide ikutumwa kuli Wisi wakujulu nkaambo wakati: “Mebo mpaawa, ndaboola, kuzoocita luyando lwako.”—Ba-Hebrayo 10:5-9; Intembauzyo 40:6-8.

25. Ino ncinzi ncobazyiba Bakamboni ba Leza basunu, alimwi ino bacita nzi?

²⁵ Sunu, abalo Bakamboni ba Jehova balizyi kuti Jehova Leza uli mutempele lyakwe lisalala. (Malaki 3:1) Mbubwenya mbuli Isaya, balaamba kuti: “Mpendi! Unditume mebo!” Icabusungu balaambilizya mulumbe wakucenjezya uujatikizya mamanino aabukkale oobu bubyaabi aalangilwa. Pele mbubwenya mbwaakaamba Jesu, mbasyoonto buyo ibajula meso aabo amatwi kuti babone akumvwa akufwutulwa. (Matayo 7:13, 14) Balaacoolwe ncobeni ibazumina kuteelela amyoyo yabo yoonse kuti ‘baponesyegwe’!—Isaya 6:8, 10.