1 Corinthians 4:12; 1 Corinthians 15:10; 1 Corinthians 16:16

1 Corinthians 4:12

12 We work hard with our own hands. When we are cursed, we bless; when we are persecuted, we endure it;

1 Corinthians 15:10

10 But by the grace of God I am what I am, and his grace to me was not without effect. No, I worked harder than all of them—yet not I, but the grace of God that was with me.

1 Corinthians 16:16

16 to submit to such people and to everyone who joins in the work and labors at it.