Colossians 3:23-24

23 Whatever you do, do from the heart, as for the Lord and not for others, 24 knowing that you will receive from the Lord the due payment of the inheritance; be slaves of the Lord Christ.

HEBREW 5:8-9

8 Son though he was, he learned obedience from what he suffered; 9 and when he was made perfect, he became the source of eternal salvation for all who obey him,