Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
quran:79:45

You are only a warner for those who fear it.  

You are only a warner for, your warning will only benefit, the one who fears it.
القرآن:٧٩:٤٥

إِنَّمَا أَنْتَ مُنْذِرُ مَنْ يَخْشَاهَا  

{إنما أنت منذر} إنما ينفع إنذارك {من يخشاها} يخافها.