Hebrews 3:12-19

So brothers and sisters, be careful that none of you has an evil, unbelieving heart that will turn you away from the living God. But encourage each other every day while it is “today.” Help each other so none of you will become hardened because sin has tricked you. We all share in Christ if we keep till the end the sure faith we had in the beginning. This is what the Scripture says: “Today listen to what he says. Do not be stubborn as in the past when you turned against God.” Who heard God’s voice and was against him? It was all those people Moses led out of Egypt. And with whom was God angry for forty years? He was angry with those who sinned, who died in the desert. And to whom was God talking when he promised that they would never enter his rest? He was talking to those who did not obey him. So we see they were not allowed to enter and have God’s rest, because they did not believe.