1 Corinthians 15:10

But, by the grace of God, I am what I am; and his grace, which was bestowed on me, has not been bestowed in vain: but I have labored more abundantly than they all; not I, how ever, but the grace of God which was with me.

1 Corinthians 15:58

Therefore, my be loved brethren, be firm, immovable, always abounding in the work of the Lord; for you know that your labor is not in vain in the Lord.

Galatians 6:9

Let us not become weary in well doing: for in due season we shall reap, if we faint not.

Colossians 1:29

to which end I also labor, striving according to his energy, which works in me mightily.

Treasury of Scripture Knowledge

Summary

So we laboured in the work: and half of them held the spears from the rising of the morning till the stars appeared.

Bible References

So we

1 Corinthians 15:10
But, by the grace of God, I am what I am; and his grace, which was bestowed on me, has not been bestowed in vain: but I have labored more abundantly than they all; not I, how ever, but the grace of God which was with me.
Galatians 6:9
Let us not become weary in well doing: for in due season we shall reap, if we faint not.
Colossians 1:29
to which end I also labor, striving according to his energy, which works in me mightily.

General references

1 Corinthians 12:21
The eye can not say to the hand: I have no need of you; or again, the head to the feet: I have no need of you.
1 Corinthians 14:8
For if the trumpet give an uncertain sound, who will prepare himself for battle?