Contradiction with Matthew 23:3
Philippians 3:17 encourages following the example of leaders in Christ, whereas Matthew 23:3 suggests observing and doing as religious leaders say but not following their actions.
Matthew 23:3: All therefore whatsoever they bid you observe, [that] observe and do; but do not ye after their works: for they say, and do not.
Contradiction with Matthew 6:1
Philippians 3:17 advises imitation of fellow believers, while Matthew 6:1 warns against performing righteous acts to be seen by others.
Matthew 6:1: Take heed that ye do not your alms before men, to be seen of them: otherwise ye have no reward of your Father which is in heaven. [alms: or, righteousness] [of your: or, with your]
Contradiction with 1 Corinthians 3:4-5
Philippians 3:17 discusses following the example of the apostles, yet 1 Corinthians 3:4-5 criticizes divisions over following different human leaders.
1 Corinthians 3:4-5: For while one saith, I am of Paul; and another, I [am] of Apollos; are ye not carnal?
Contradiction with Galatians 1:10
Philippians 3:17 emphasizes following the example of godly leaders, but Galatians 1:10 cautions against seeking to please people over serving Christ.
Galatians 1:10: For do I now persuade men, or God? or do I seek to please men? for if I yet pleased men, I should not be the servant of Christ.
Contradiction with Matthew 23:8
Philippians 3:17 encourages following the example of leaders, while Matthew 23:8 emphasizes that all believers are brethren and warns against elevating any as leaders.
Matthew 23:8: But be not ye called Rabbi: for one is your Master, [even] Christ; and all ye are brethren.