(17:53) And tell My servants to say that which is best. Indeed, Satan induces [dissension] among them. Indeed Satan is ever, to mankind, a clear enemy.
Muhammad Taqi-ud-Din al-Hilali and Muhammad Muhsin Khan,
(17:53) And say to My slaves (i.e. the true believers of Islamic Monotheism) that they should (only) say those words that are the best. (Because) Shaitan (Satan) verily, sows disagreements among them. Surely, Shaitan (Satan) is to man a plain enemy.
Mohammed Marmaduke William Pickthall
(17:53) Tell My bondmen to speak that which is kindlier. Lo! the devil soweth discord among them. Lo! the devil is for man an open foe.
Abdullah Yusuf Ali
(17:53) Say to My servants that they should (only) say those things that are best: for Satan doth sow dissensions among them: For Satan is to man an avowed enemy.
Mohammad Habib Shakir
(17:53) And say to My servants (that) they speak that which is best; surely the Shaitan sows dissensions among them; surely the Shaitan is an open enemy to man.
(17:53) And say to My bondmen (that) they say that which is fairest, (i.e; which is kindest) (for) surely Ash-Shaytan (The all-vicious, i.e; the Devil) incites (discord) between them. Surely Ash-Shaytan has been an evident enemy to man.
(17:53) And say to My servants that they should always speak (even when disputing with others) that which is the best. Satan is ever ready to sow discord among them. For Satan indeed is a manifest enemy for humankind.
Amatul Rahman Omar
(17:53) And say to My servants that they should speak only what is gracious, for satan (is keen to) provoke discord among them. Satan indeed is an enemy to the people, disuniting (one another).
(17:53) And say to My worshippers/slaves, they (should) say which it is best , that the devil spoils/urges to evil between them, that the devil was/is to the human/mankind (a) clear/evident enemy.
(17:53) Tell My creatures only to speak words that are good. Verily Satan sows dissensions: Satan is indeed the acknowledged enemy of mankind.
A. J. Arberry
(17:53) And say to My servants, that they say words that are kindlier. For surely Satan provokes strife between them, and Satan is ever a manifest foe to man.
Abdul Majid Daryabadi
(17:53) Say thou unto My bondmen that they should say that which is best, Verily the Satan would stir up strife between them; verily the Satan is unto men ever an enemy manifest.
Maulana Mohammad Ali
(17:53) (Muhammad), tell My servants to say what is best. Satan sows dissension among them; he is the sworn enemy of human beings.
Hamid Abdul Aziz
(17:53) And tell My servants to speak only that which is best (kindly, reasonably, truthfully, beautifully, usefully to enemy, friend and relative). Truly, Satan does sow dissension (or ill will) among them, for Satan is ever unto man an open foe.
(17:53) And tell My bondmen to speak that which is the best
(17:53) Tell My servants to say what is best. Satan sows discord among them. Satan is to man an open enemy.
Ahmed Raza Khan
(17:53) And tell My bondmen to speak that which is the best; undoubtedly Satan sows discord among them; indeed Satan is mans open enemy.
(17:53) Tell My servants that they should always say what is best. Satan stirs up discord among them. Surely, Satan is an outright enemy to man.
(17:53) And say to My servants that they should say those words that are best. (Because) Shaytan verily, sows a state of conflict and disagreement among them. Surely, Shaytan is to man a plain enemy.
Ali Quli Qarai
(17:53) Tell My servants to speak in a manner which is the best. Indeed Satan incites ill feeling between them, and Satan is indeed mans manifest enemy.
Hasan al-Fatih Qaribullah and Ahmad Darwish
(17:53) Tell My worshipers, that they should say words that are the finest, satan would arouse discord among them; he is the clear enemy of mankind.
That is translated surah Al Isra ayat 53 (QS 17: 53) in arabic and english text, may be useful.