When the Jewish prophet, Micah (740-670 BC) declared that, "A man's enemies are the men of his own household," Micah 7:6, he foresaw what would be the greatest undoing of any man, which are the people around him. If you are not ruined by those around you whom you trust much, you will live long. Those far away from you, who don't know your secrets, can hardly harm you. The enemy is there with you, they are those closest to you.
It is in the same vein that the greatest man that ever lived, Jesus Christ, also declared that, "If a kingdom is divided against itself, that kingdom cannot stand." This again boils down to those around you, those you think you're working with, or working for. Those you think should identify with you and join in your cause.
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