Contradiction with Matthew 6:1
This verse warns against doing righteous acts to be seen by others, whereas Acts 4:33 speaks of the apostles giving testimony with great power, which was a public act.
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 Ephesians 2:8-9
These verses emphasize that grace and faith, not works, bring salvation, which might seem at odds with the emphasis in Acts 4:33 on the apostles' powerful testimony.
Ephesians 2:8-9: For by grace are ye saved through faith; and that not of yourselves: [it is] the gift of God:
Contradiction with Philippians 2:3
This verse advises doing nothing out of vain conceit or ambition, juxtaposed with the prominent manner in which the apostles shared their testimony.
Philippians 2:3: [Let] nothing [be done] through strife or vainglory; but in lowliness of mind let each esteem other better than themselves.
Contradiction with Matthew 5:16
Contradicts the notion of discretion in doing good deeds by encouraging believers to let their light shine publicly, similar to the public testimony in Acts 4:33.
Matthew 5:16: Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven.