Kutoka 19 : 11 Exodus chapter 19 verse 11

wawe tayari kwa siku ya tatu; maana siku ya tatu Bwana atashuka katika mlima wa Sinai machoni pa watu hawa wote.
soma Mlango wa 19

and be ready against the third day; for on the third day Yahweh will come down in the sight of all the people on Mount Sinai.