Ephesians 1:9

1:9 He did this when he revealed to us the secret of his will, according to his good pleasure that he set forth in Christ,

Ephesians 2:10

2:10 For we are his workmanship, having been created in Christ Jesus for good works that God prepared beforehand so we may do them.

Ephesians 6:8

6:8 because you know that each person, whether slave or free, if he does something good, this will be rewarded by the Lord.