Quran english ar ra’d 17

أنزل من السماء ماء فسالت أودية بقدرها فاحتمل السيل زبدا رابيا ومما يوقدون عليه في النار ابتغاء حلية أو متاع زبد مثله كذلك يضرب الله الحق والباطل فأما الزبد فيذهب جفاء وأما ما ينفع الناس فيمكث في الأرض كذلك يضرب الله الأمثال

Anzala mina assama-i maanfasalat awdiyatun biqadariha fahtamalaassaylu zabadan rabiyan wamimma yooqidoonaAAalayhi fee annari ibtighaa hilyatinaw mataAAin zabadun mithluhu kathalika yadribuAllahu alhaqqa walbatila faammaazzabadu fayathhabu jufaan waamma mayanfaAAu annasa fayamkuthu fee al-ardi kathalikayadribu Allahu al-amthal

 
Sahih International
He sends down from the sky, rain, and valleys flow according to their capacity, and the torrent carries a rising foam. And from that [ore] which they heat in the fire, desiring adornments and utensils, is a foam like it. Thus Allah presents [the example of] truth and falsehood. As for the foam, it vanishes, [being] cast off; but as for that which benefits the people, it remains on the earth. Thus does Allah present examples.
Muhsin Khan
He sends down water (rain) from the sky, and the valleys flow according to their measure, but the flood bears away the foam that mounts up to the surface, and (also) from that (ore) which they heat in the fire in order to make ornaments or utensils, rises a foam like unto it, thus does Allah (by parables) show forth truth and falsehood. Then, as for the foam it passes away as scum upon the banks, while that which is for the good of mankind remains in the earth. Thus Allah sets forth parables (for the truth and falsehood, i.e. Belief and disbelief).
Pickthall
He sendeth down water from the sky, so that valleys flow according to their measure, and the flood beareth (on its surface) swelling foam - from that which they smelt in the fire in order to make ornaments and tools riseth a foam like unto it - thus Allah coineth (the similitude of) the true and the false. Then, as for the foam, it passeth away as scum upon the banks, while, as for that which is of use to mankind, it remaineth in the earth. Thus Allah coineth the similitudes.
Yusuf Ali
He sends down water from the skies, and the channels flow, each according to its measure: But the torrent bears away to foam that mounts up to the surface. Even so, from that (ore) which they heat in the fire, to make ornaments or utensils therewith, there is a scum likewise. Thus doth Allah (by parables) show forth Truth and Vanity. For the scum disappears like forth cast out; while that which is for the good of mankind remains on the earth. Thus doth Allah set forth parables.
Shakir
He sends down water from the cloud, then watercourses flow (with water) according to their measure, and the torrent bears along the swelling foam, and from what they melt in the fire for the sake of making ornaments or apparatus arises a scum like it; thus does Allah compare truth and falsehood; then as for the scum, it passes away as a worthless thing; and as for that which profits the people, it tarries in the earth; thus does Allah set forth parables.
Dr. Ghali
He sends down from the heaven water so that valleys flow, each to its determined (course), so that the flood carries away (on its surface) a swelling scum. And from that on which they kindle fire (i.e., or) seeking (to make) ornaments or belongings, out of that there is a scum like it. Thus Allah strikes the Truth and the untruth. So, as for the scum, then it goes away as jetsam (i.e., vanishes as useless) and as for whatever profits mankind, then it stays in the earth. Thus Allah strikes the similitudes.