Hebrews 6:4-5

4That is important, because we must not turn away from Christ, after we have first believed in him. Some people have come into God's light. They have understood God's message. They have started to enjoy the true life that God has given them. They have received the Holy Spirit, like other believers.

5They have understood that God's message is good for them. They have seen powerful things that belong to the future time.