Ali 'Imran · 3:28

28. O believers, do not take disbelievers as friends that you love and support instead of other believers: whoever does this will never be helped by Allah in any way. However, if you are under their authority and you fear for your lives, then there is no harm if you avoid their harm by being nice to them in your speech and actions on the outside, whilst hating them inside. Allah warns you of Himself, so fear Him and do not become the subject of His anger by committing sins. All men will return to Allah alone on the Day of Resurrection for Him to reward them for their actions.