2Ti 2:15 Be diligent to present yourself approved to God as a workman who does not need to be ashamed, handling accurately the word of truth.
2Co 11:13 For such men are false apostles, deceitful workers, disguising themselves as apostles of Christ.
2Co 11:14 And no wonder, for even Satan disguises himself as an angel of light.
2Co 11:15 Therefore it is not surprising if his servants also disguise themselves as servants of righteousness; whose end shall be according to their deeds.