His point is that no one is truly free; we are either a slave to sin or to God. He exhorts believers to choose the right way, God's way, which is the only way that leads to eternity.
A fool rejects his father's discipline,But he who regards reproof is sensible. Proverbs 15:5 (ESV)
When he heard this, Jesus said, "This sickness will not end in death. No, it is for God's glory so that God's Son may...
So we have come to know and to believe the love that God has for us. God is love, and whoever abides in love ...