سُورَةُ البَقَرَةِ

And if you divorce them before having touched them, but after having settled a dower upon them, then [give them] half of what you have settled - unless it be that they forgo their claim or he in whose hand is the marriage-tie forgoes his claim [to half of the dower]: and to forgo what is due to you is more in accord with God-consciousness. And forget not [that you are to act with] grace towards one another: verily, God sees all that you do.