Repentance.

“Repentance is the technical term to describe an awareness of our sin-debt towards God (and others, but firstly to God) linked with the knowledge that Christ’s sacrifice is more than sufficient to cover our debt, plus a willingness to follow Christ until we die. Leaving out any of these three components makes any response to God’s love not only incomplete, but leaves us outside the umbrella of the Gospel.”

Excerpt From
Christianity: Why it's important and how to live it
DC Carson
https://books.apple.com/gb/book/christianity-why-its-important-and-how-to-live-it/id428411418
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