All in Iron sharpens Iron

As we pursue our faith we find that there are two basic types of people we can associate ourselves with; there are those who make us stronger in our belief, and those who dull our righteousness, or lead us into temptation… thus causing our faith to falter. So who do we surround ourselves with? Who do we call our friends, and are they like whet stones that sharpen us in righteousness, and faith to a fine edge, or hard rocks that we are swung against, and who dull us? Who is it that we call friend, and who calls us their friend?