Al-Ma'idah' - 5:83

وَإِذَا سَمِعُواْ مَا أُنزِلَ إِلَى الرَّسُولِ تَرَى أَعْيُنَهُمْ تَفِيضُ مِنَ الدَّمْعِ مِمَّا عَرَفُواْ مِنَ الْحَقِّ يَقُولُونَ رَبَّنَا آمَنَّا فَاكْتُبْنَا مَعَ الشَّاهِدِينَ
[5:83]
And when they hear what has been revealed to the messenger you will see their eyes overflowing with tears on account of the truth that they recognize; they say: Our Lord! we believe, so write us down with the witnesses (of truth).
And when they listen to the revelation received by the Messenger, thou wilt see their eyes overflowing with tears, for they recognise the truth: they pray: "Our Lord! we believe; write us down among the witnesses.
When they listen to that which hath been revealed unto the messengers, thou seest their eyes overflow with tears because of their recognition of the Truth. They say: Our Lord, we believe. Inscribe us as among the witnesses.