We’ve spent three posts laying out what the gospel actually is — the news itself, the world it landed in, the four-chapter shape of the whole story. But information alone doesn’t save anyone. At some point the question stops being “what is the gospel” and starts being “what do I do about it.”
Two Words: Repent and Believe
When Jesus opened his public ministry, Mark boils his first sermon down to a single line:
The time is fulfilled, and the kingdom of God is at hand; repent and believe in the gospel.
— Mark 1:15
Two verbs. Turn, and trust. Everything else in the Christian life grows out of those two words.
Repentance Isn’t Groveling
We tend to hear “repent” and picture a sandwich board on a street corner. But the word simply means a change of mind that produces a change of direction. It’s not primarily about feeling terrible — you can feel terrible and never actually turn. Repentance is what happens when you finally agree with God about your life and start walking the other way.
Faith Isn’t a Feeling
The second word gets misunderstood just as often. Faith isn’t a warm emotional certainty you either have or don’t. Biblically, faith is trust — the same kind of trust you place in a chair when you sit down in it, or a pilot when you board a plane. You’re not analyzing your feelings about the chair. You’re putting your weight on it. Faith in Christ works the same way: it’s not about how strongly you feel it, but about where you’ve placed your weight.
This Is a Beginning, Not a Transaction
Here’s the part that trips people up: responding to the gospel isn’t a box you check once and move on from. It’s the front door of a house you then spend a lifetime living in. Repentance and faith aren’t a one-time transaction that gets you a ticket to heaven — they’re the posture of an entire life, repeated daily, deepened over decades. That’s exactly where we’re headed next: not just how you begin with Jesus, but how you actually become like him.
Andrew Washkow 
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