If you wish to know the truth about someone, all you need to do is sit still in their presence. If you sit still long enough, they will take all of their doubt, insecurity, confusion, and prejudice and project them onto you. Then you know their truth.
It is a weak and inexperienced person who accepts the projections of others as though they were their own. Although, an enlightened person might help carry the load for a while until the other gains their balance.