Romans 6:23 — the death referred to is both physical death and eternal separation from God (the second death)

Mike reads Romans 6:22-23: the fruit of salvation leads to eternal life; the wages of sin is death. The contrast with eternal life in the same verse signals that the death in view is not merely physical but includes eternal separation from God. If it were only physical death, it would not be meaningfully contrasted with eternal life. Mike also notes that Romans elsewhere uses death to include physical death, so the verse encompasses both: physical death and eternal/second death.