Philippians 1:10
so that you may approve the things that are excellent, that you may be sincere and without offense to the day of Christ,
World English Bible (Public Domain)
In context
Before · Philippians 1:8–9
8For God is my witness, how I long after all of you in the tender mercies of Christ Jesus. 9This I pray, that your love may abound yet more and more in knowledge and all discernment,
10so that you may approve the things that are excellent, that you may be sincere and without offense to the day of Christ,