Bible's contradictions is an essential manual of bible's quotations for atheist and skeptics:

GOOD WORKS TO BE SEEN OF MEN.

Let your light so shine before men, that they may see your good works. (Matt. 5:16.)

GOOD WORKS NOT TO BE SEEN OF MEN.

Take heed that ye do not your alms before men, to be seen of them. (Matt. 6:1.)