Surah Ash-Shu'ara 26:107
إِنِّى لَكُمْ رَسُولٌ أَمِينٌ
Indeed, I am to you a trustworthy messenger.
Translation: Saheeh International
Tafsir
Truly I am a trusted messenger sent to you to deliver the Message with which I have been sent.
Excerpt from Tafsir al-Jalalayn, commentary on 26:107, via Quran.com. The reader has the full commentary and 9 more tafsirs.