At-Taubah - 9:119

يَا أَيُّهَا الَّذِينَ آمَنُواْ اتَّقُواْ اللّهَ وَكُونُواْ مَعَ الصَّادِقِينَ
[9:119]
O you who believe! be careful of (your duty to) Allah and be with the true ones.
O ye who believe! Fear Allah and be with those who are true (in word and deed).
O ye who believe! Be careful of your duty to Allah, and be with the truthful.