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.
David again brought together out of Israel chosen men, thirty thousand in all. He and all his men set out from Baalah of Judah...
In the same way, let your light shine before others, so that they may see your good works and give glory to your Father...
So Jesus said to them, “Truly, truly, I say to you, unless you eat the flesh of the Son of Man and drink his...