Even with that, you cannot just skip what all Paul said in that Romans 6 chapter prior to those 22nd and 23rd verses which point to a condition...
Rom 6:11-17
11 Likewise reckon ye also yourselves to be dead indeed unto sin, but alive unto God through Jesus Christ our Lord.
12 Let not sin therefore reign in your mortal body, that ye should obey it in the lusts thereof.
13 Neither yield ye your members as instruments of unrighteousness unto sin: but yield yourselves unto God, as those that are alive from the dead, and your members as instruments of righteousness unto God.
14 For sin shall not have dominion over you: for ye are not under the law, but under grace.
15 What then? shall we sin, because we are not under the law, but under grace? God forbid.
16 Know ye not, that to whom ye yield yourselves servants to obey, his servants ye are to whom ye obey; whether of sin unto death, or of obedience unto righteousness?
17 But God be thanked, that ye were the servants of sin, but ye have obeyed from the heart that form of doctrine which was delivered you.
KJV
Doing that obedience can't involve 'grace', because obedience involves works, at least that's what you Hyper-dispensationalists are taught. Paul is admonishing there to be watchful of sin, and relates the guarantee of God's grace unto eternal life to that condition.
It's simple common sense that we are only saved by God's grace through His Son, because we cannot save ourselves. That's not of works, but is a free gift. That's not even up for debate, so you guys need to quit trying to make that into a debate.
What you Hyper-dispensationalists need to learn from Scripture is that you can... fall away from Christ IF... YOU so choose. This is proven by the five foolish virgins in the parable Jesus gave in Matthew 25, and about the unprofitable servant in that same chapter, and by those of Matthew 7 that claimed to preach in His name and do miracles in His name, but did iniquity.