Whoever points to goodness then he will get a reward like the reward of those who do it (HR. Muslim no. 1893).
From Abdullah bin Amr radhiyallahu ta'ala 'anhu, that the Prophet sallallaahu 'alaihi wa sallam said,
بَلِّغُوا عَنِّى وَلَوْ آيَةً
Convey from me even if only one verse HR. Bukhari