6:109

وَأَقْسَمُوا بِاللَّهِ جَهْدَ أَيْمَانِهِمْ لَئِن جَاءَتْهُمْ آيَةٌ لَّيُؤْمِنُنَّ بِهَا قُلْ إِنَّمَا الْآيَاتُ عِندَ اللَّهِ وَمَا يُشْعِرُكُمْ أَنَّهَا إِذَا جَاءَتْ لَا يُؤْمِنُونَ

Transliteration:

Waaqsamoo biAllahi jahda aymanihim la-in jaat-hum ayatun layu/minunna biha qul innama al-ayatu AAinda Allahi wama yushAAirukum annaha itha jaat la yu/minoona

Word by Word:

And they swear by Allah strongest (of) their oaths that if came to them a sign, they would surely believe in it. Say, "Only the signs (are) with Allah." And what will make you perceive that [it] when it comes not they will believe.

Translations:

Now they swear by God with their most solemn oaths that if a miracle were shown to them, they would indeed believe in this [divine writ]. Say: "Miracles are in the power of God alone." And for all you know, even if one should be shown to them, they would not believe

They swear their strongest oaths by God, that if a (special) sign came to them, by it they would believe. Say: "Certainly (all) signs are in the power of God: but what will make you (Muslims) realise that (even) if (special) signs came, they wi ll not believe."?

And they swear a solemn oath by Allah that if there come unto them a portent they will believe therein. Say; Portents are with Allah and (so is) that which telleth you that if such came unto them they would not believe.

And they swear their strongest oaths by Allah that if a sign come to them they would certainly believe in it. Say: Signs are with Allah. And what should make you know that when they come they believe not?

And they swear by Allah their strongest oaths that if a sign came to them, they would surely believe in it. Say, "The signs are only with Allah ." And what will make you perceive that even if a sign came, they would not believe.