ASV(i)
16 For if I preach the gospel, I have nothing to glory of; for necessity is laid upon me; for woe is unto me, if I preach not the gospel.
17 For if I do this of mine own will, I have a reward: but if not of mine own will, I have a stewardship intrusted to me.
18 What then is my reward? That, when I preach the gospel, I may make the gospel without charge, so as not to use to the full my right in the gospel.