Al-Kahf 18:73

Qala la tu-akhithneebima naseetu wala turhiqnee min amree AAusra

[Moses] said, "Do not blame me for what I forgot and do not overwhelm me in my matter with difficulty."

He (Mūsā) said, “Do not hold me punishable for what I forgot, and do not make my course too difficult for me.”