1 Corinthians 9:1-3

Young's Literal Translation

9 Am not I an apostle? am not I free? Jesus Christ our Lord have I not seen? my work are not ye in the Lord?

² if to others I am not an apostle -- yet doubtless to you I am; for the seal of my apostleship are ye in the Lord.

³ My defence to those who examine me in this;