Be, and it is

"Be, and it is" (Arabic: كُن فَيَكُونُ; kun fa-yakūn) is a Quranic phrase referring to the creation by God′s command. In Arabic, the phrase consists of two words; the first word is kun for the imperative verb "be" and is spelled with the letters kāf and nūn. The second word fa-yakun means "it is [done]".

Kun fa-yakūn has its reference in the Quran cited as a symbol or sign of God's supreme creative power. There are eight references to the phrase in the Quran: