Sahih Muslim 1280

Arabic

وَحَدَّثَنَاهُ ابْنُ أَبِي عُمَرَ، حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ عَبْدِ الصَّمَدِ، عَنْ مَنْصُورٍ، بِإِسْنَادِ هَؤُلاَءِ وَقَالَ ‏ "‏ فَلْيَتَحَرَّ الصَّوَابَ ‏"‏ ‏.‏

Translation

This hadith has been narrated by Mansur and he said:" He should aim at correctness

Authenticity

Sahih

Reference