Commentaries:
Robertson's Word Pictures (NT)
So that ye may (eiv to umav). Either purpose or result (eiv to plus infinitive as in Romans 1:11, Romans 1:20; Romans 3:26, etc.).
Approve the things that are excellent (dokimazein ta diaferonta). Originally, "test the things that differ." Cf. same idiom in Romans 2:28. The verb was used for assaying metals. Either sense suits this context, but the first step is to distinguish between good and evil and that is not always easy in our complex civilization.
Sincere (eilikrineiv). Old word of uncertain origin from krinw, to judge, by eilh (sunlight) or to sift by rapid rolling (eilov). At any rate it means pure, unsullied.
Void of offence (aproskopoi). Alpha privative prov and koptw, to cut, "not stumbled against" (not causing others to stumble) or if active "not stumbling against." Passive sense probably, not active as in I Corinthians 10:32. Common in the papyri, though not in ancient Greek writers.
Other Robertson's Word Pictures (NT) entries containing Philippians 1:10:
Acts 2:20
Acts 24:16
Romans 2:17
1 Corinthians 10:32
1 Corinthians 16:3
Philippians 1:6
1 Timothy 3:10
2 Timothy 1:12
2 Peter 3:1
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