﴿ ٱلْحَقُّ مِن رَّبِّكَ ۖ فَلَا تَكُونَنَّ مِنَ ٱلْمُمْتَرِينَ ﴾

“the truth from thy Sustainer! Be not, then, among the doubters:”

(It is the Truth from thy Lord (O Muhammad)) that you are a Prophet sent by Allah. (So be not thou of those who waver) who doubt whether they know or not.