1Corinthians 9:20  And unto the Jews I became as a Jew, that I might gain the Jews; to them that are under the law, as under the law, that I might gain them that are under the law;

1Corinthians 9:21 To them that are without law, as without law, (being not without law to God, but under the law to Christ,) that I might gain them that are without law.

1Corinthians 9:22 To the weak became I as weak, that I might gain the weak: I am made all things to all [men], that I might by all means save some.

 1Corinthians 9:23 And this I do for the gospel's sake, that I might be partaker thereof with [you].

1Corinthians 9:24 Know ye not that they which run in a race run all, but one receiveth the prize? So run, that ye may obtain.

1Corinthians 9:25 And every man that striveth for the mastery is temperate in all things. Now they [do it] to obtain a corruptible crown; but we an incorruptible.

1Corinthians 9:26 I therefore so run, not as uncertainly; so fight I, not as one that beateth the air:

1Corinthians 9:27 But I keep under my body, and bring [it] into subjection: lest that by any means, when I have preached to others, I myself should be a castaway.

Comment: verse 9:22 "by all means"

 Strong's G3843: "by all means" 

1. altogether

   1. in any and every way, by all means

   2. doubtless, surely, certainly