in Jesus, who takes our punishment for wrongdoing. Because of grace, God can be both just (punishing sin) and forgiving (removing sin). All other religious systems believe the main responsibility for solving life’s problems rests upon people. Christianity reveals and demonstrates that we cannot set things right by our own efforts, which makes grace all the more astounding and precious. Historically, the Christian church is widely regarded to have begun on the day of Pentecost (described in Acts 2).