Avoiding the position of the charge

Imam Ali (as) says:

Every one who causes himself to be imposed in an accusation he should not blame the one who is suspicions to him.

مَن وَضَعَ نَفسَه مَواضِعَ التُّهمَةِ فَلا یَلُومَنَّ مَن أَسَاءَ بِهِ الظَّنَّ

 Wisdom 151 Nahj al-Balaghah.