He never even considered disobeying Jehovah when Potiphar’s wife tried to entice him to do what was wrong. ( Read Genesis 39: 7 - 9.)
وَكَيْفَ يُمَيِّزُونَ بَيْنَ مَا هُوَ صَالِحٌ وَمَا هُوَ شِرِّيرٌ ؟‏