Therefore, since we are surrounded by so great a cloud of witnesses, let us also lay aside every weight and the sin that clings so closely, and let us run with perseverance the race that is set before us,
References for Hebrews 12:1
looking to Jesus the pioneer and perfecter of our faith, who for the sake of the joy that was set before him endured the cross, disregarding its shame, and has taken his seat at the right hand of the throne of God.
References for Hebrews 12:2
Consider him who endured such hostility against himself from sinners, so that you may not grow weary or lose heart.
References for Hebrews 12:3
In your struggle against sin you have not yet resisted to the point of shedding your blood.
And you have forgotten the exhortation that addresses you as children— "My child, do not regard lightly the discipline of the Lord, or lose heart when you are punished by him;
for the Lord disciplines those whom he loves, and chastises every child whom he accepts."
Endure trials for the sake of discipline. God is treating you as children; for what child is there whom a parent does not discipline?
If you do not have that discipline in which all children share, then you are illegitimate and not his children.