1 Corinthians 15:10

But by the grace of God I am what I am: and his favor to me was not in vain; but I laboured more abundantly than they all; yet not I, but the grace of God that was with me.

1 Corinthians 15:58

Wherefore, my beloved brethren, be stedfast, unmoveable, always abounding in the work of the Lord, since ye know that your labor is not in vain in the Lord.

Galatians 6:9

And let us not be weary in doing good: for in due season we shall reap, if we faint not.

Colossians 1:29

in order to which I also labour, striving earnestly according to his energy which operates in me with power.

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 favor to me was not in vain; but I laboured more abundantly than they all; yet not I, but the grace of God that was with me.
Galatians 6:9
And let us not be weary in doing good: for in due season we shall reap, if we faint not.
Colossians 1:29
in order to which I also labour, striving earnestly according to his energy which operates in me with power.

General references

1 Corinthians 12:21
And the eye cannot say to the hand, I have no need of thee: 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 the battle?