Our Natural Depravity

We received the following question: "Is a regenerated person still depraved? Your question reminds me of two errors that often arise within the church: on the one hand, the error of perfectionism, and on the other hand, the error of antinomism. The perfectionist argues that we are new creatures in Christ; old things are passed away, and, along with these old things, also our depravity. He appeals to such passages of Scripture as I John 3:9: "Whosoever is born of God doth not commit sin; for...