Philippians 3:9

3:9 and be found in him, not because I have my own righteousness derived from the law, but because I have the righteousness that comes by way of Christ’s faithfulness – a righteousness from God that is in fact based on Christ’s faithfulness.

Philippians 1:11

1:11 filled with the fruit of righteousness that comes through Jesus Christ to the glory and praise of God.

Philippians 3:6

3:6 In my zeal for God I persecuted the church. According to the righteousness stipulated in the law I was blameless.