Similarities

To "know thy selves," in depth, is the cohesive force which allows one to bond with others in successful relationships.
To study ones own actions and reactions to the experiences and stimulus of their surroundings.
To figure what triggers ones undesired emotions, and then apply wisdom to formulate true understanding to the programed dilemmas at hand, and in turn, one learns, what troubles man as a whole.
As it is all how one believes that they shall receive.
To know ones self, is to know others.