There are areas of Christian thought, and because of thought then also of life, where likenesses and differences are so difficult to distinguish that we are often hard put to it to escape complete deception. Throughout the whole world error and truth travel the same highways, work in the same fields and factories, attend the same churches, fly in the same planes and shop in the same stores. So skilled is error at imitating truth that the two are constantly being mistaken for each other. It takes a sharp eye these days to know which brother is Cain and which Abel. We must never take for granted anything that touches our soul's welfare. Isaac felt Jacob's arms and thought they were the arms of Esau. Even the disciples failed to spot the traitor among them; the only one of them who knew who he was was Judas himself. That soft-spoken companion with whom we walk so comfortably and in whose company we take such delight may be an angel of Satan, whereas that rough, plain-spoken man whom we shun may be God's very prophet sent to warn us against danger and eternal loss.
O God, I am easily deceived. Thank You for the Holy Spirit to lead and guide through Satan's deceits and disguises.
Then Isaac said to Jacob, "Come near so I can touch you, my son, to know whether you really are my son Esau or not."— Genesis 27:21
Often we encounter error disguised as truth. Crucial is our relationship to the Holy Spirit who seeks to guide into all truth. It is the Spirit who can unmask the deceiver.