Original Verse:
1st Corinthians Chapter 9 Verse 19For though I was free from all men, I made myself a servant to all, so that more might have salvation.

Reference Verses:
1st Corinthians Chapter 10 Verse 32-33 [32] Give no cause of trouble to Jews, or to Greeks, or to the church of God. [33] Even as I give way to all men in all things, not looking for profit for myself, but for the good of others, that they may get salvation.
Matthew Chapter 20 Verse 26Let it not be so among you: but if anyone has a desire to become great among you, let him be your servant;
Romans Chapter 6 Verse 15What then? are we to go on in sin because we are not under law but under grace? Let it not be so.
1st Corinthians Chapter 9 Verse 1Am I not free? am I not an Apostle? have I not seen Jesus our Lord? are you not my work in the Lord?
2nd Corinthians Chapter 4 Verse 5For our preaching is not about ourselves, but about Christ Jesus as Lord, and ourselves as your servants through Jesus.
2nd Corinthians Chapter 4 Verse 15For we go through all things on account of you, because the greater the number to whom the grace is given, the greater is the praise to the glory of God.
2nd Corinthians Chapter 12 Verse 14This is now the third time that I am ready to come to you; and I will not be a trouble to you: my desire is for you, not for your property: for it is not the children's business to make store for their fathers, but the fathers for the children.