الْحَقُّ مِن رَّبِّكَ فَلاَ تَكُونَنَّ مِنَ الْمُمْتَرِينَ
[2:147]
The truth is from your Lord, therefore you should not be of the doubters.
The Truth is from thy Lord; so be not at all in doubt.
It is the Truth from thy Lord (O Muhammad), so be not thou of those who waver.