and joseph said to the one of the two prisoners who he knew would be set free mention me in your lords presence. but satan caused him to forget mentioning this to his lord and so joseph languished in prison for several years.
وقال للذي ظن أنه ناج منهما اذكرني عند ربك فأنساه الشيطان ذكر ربه فلبث في السجن بضع سنين