At-Taubah - 9:92

وَلاَ عَلَى الَّذِينَ إِذَا مَا أَتَوْكَ لِتَحْمِلَهُمْ قُلْتَ لاَ أَجِدُ مَا أَحْمِلُكُمْ عَلَيْهِ تَوَلَّواْ وَّأَعْيُنُهُمْ تَفِيضُ مِنَ الدَّمْعِ حَزَنًا أَلاَّ يَجِدُواْ مَا يُنفِقُونَ
[9:92]
Nor in those who when they came to you that you might carry them, you said: I cannot find that on which to carry you; they went back while their eyes overflowed with tears on account of grief for not finding that which they should spend.
Nor (is there blame) on those who came to thee to be provided with mounts, and when thou saidst, "I can find no mounts for you," they turned back, their eyes streaming with tears of grief that they had no resources wherewith to provide the expenses.
Nor unto those whom, when they came to thee (asking) that thou shouldst mount them, thou didst tell: I cannot find whereon to mount you. They turned back with eyes flowing with tears, for sorrow that they could not find the means to spend.