Kutoka 19 : 16 Exodus chapter 19 verse 16

Ikawa siku ya tatu, wakati wa asubuhi, palikuwa na ngurumo na umeme, na wingu zito juu ya mlima, na sauti ya baragumu iliyolia sana. Watu wote waliokuwa kituoni wakatetemeka.
soma Mlango wa 19

It happened on the third day, when it was morning, that there were thunders and lightnings, and a thick cloud on the mountain, and the sound of an exceedingly loud trumpet; and all the people who were in the camp trembled.