Surah Al-Kahf 18:69

قَالَ سَتَجِدُنِىٓ إِن شَآءَ ٱللَّهُ صَابِرًا وَلَآ أَعْصِى لَكَ أَمْرًا

[Moses] said, "You will find me, if Allāh wills, patient, and I will not disobey you in [any] order."

Translation: Saheeh International

Tafsir

He said ‘You will find me God willing patient and I will not disobey in other words and you will also find me non-disobedient towards you in any matter’ with which you charge me. He Moses made this statement conditional upon the Will of God because he was not confident of himself in what he had committed himself to. …

Excerpt from Tafsir al-Jalalayn, commentary on 18:69, via Quran.com. The reader has the full commentary and 9 more tafsirs.